541 + ( 218 - x ) = 375
5 . ( x + 35 ) = 515
10 + 2.x = 45 : 4
96 - 3 . ( x +1 ) = 42
ai làm nhanh mình tick nhé . ok
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1) \(541+\left(218-x\right)=375\)
\(\Leftrightarrow759-x=375\)
\(\Leftrightarrow x=384\)
2) \(5\cdot\left(x+35\right)=515\)
\(\Leftrightarrow x+35=103\)
\(\Rightarrow x=68\)
3) \(96-3\cdot\left(x+1\right)=42\)
\(\Leftrightarrow3\cdot\left(x+1\right)=54\)
\(\Leftrightarrow x+1=18\)
\(\Rightarrow x=17\)
4) \(2\cdot x-138=2^3\cdot3^2\)
\(\Leftrightarrow2\cdot x-138=72\)
\(\Leftrightarrow2\cdot x=210\)
\(\Rightarrow x=105\)
trả lời tiếp nè
c) 3.(x+1)=96-42
3.(x+1)=54
x+1=54:3
x+1=18
x=18-1
x=17
tick nha
218 - x = 735-541
218 - x = 194
x = 218 - 194
x = 24
Đúng 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
541 + ( 218 - x ) = 735
218 - x = 735 - 541
218 - x = 194
x = 218 - 194
x = 24
a).\(541+\left(218-x\right)=735\)
\(218-x=735-541\)
\(218-x=194\)
\(x=218-194\)
\(x=24\)
b).\(5\left(x+35\right)=515\)
\(x+35=515:5\)
\(x+35=103\)
\(x=103-35\)
\(x=68\)
c).\(96-3\left(x+1\right)=42\)
\(3\left(x+1\right)=96-42\)
\(3\left(x+1\right)=54\)
\(\left(x+1\right)=54:3\)
\(\left(x+1\right)=18\)
\(x=18-1\)
\(x=17\)
d)\(12x-33=3^2\cdot3^3\)
\(12x-33=3^5\)
\(12x-33=243\)
\(12x=243+33\)
\(12x=276\)
\(x=276:12\)
\(x=23\)
\(Nhớ\)\(tk\)\(mình\)\(nha\)\(!\)
a, 541 + ( 218 - x ) = 735
<=> 218 - x = 735 - 541
<=> 218 - x = 194
<=> x = 24
b, 5 ( x + 35 ) = 515
<=> x + 35 = 515 : 5
<=> x + 35 = 103
<=> x = 68
c, 96 - 3 . ( x - 1 ) = 42
<=> 3.(x - 1 ) = 54
<=> x - 1 = 18
<=> x = 19
a. 541 + (218 - x) = 735
218 - x = 735 - 541
x = 218 - 194
x = 24
b. 5.(x + 35) = 515
x + 35 = 515 : 5
x = 103 - 35
x = 68
c. 96 - 3.(x - 1) = 42
3.(x - 1) = 96 - 42
x - 1 = 54 : 3
x = 18 + 1
x = 19
541 + (218 - x) = 735
218 - x = 735 - 541
218 - x = 194
x = 218 - 194
x = 24
5(x + 35) = 515
x + 35 = 515 : 5
x + 35 = 103
x = 103 - 35
x = 68
96- 3(x + 1) = 42
3(x + 1) = 96 - 42
3(x + 1) = 54
x + 1 = 54 : 3
x + 1 = 18
x = 18 - 1
x = 17
12x - 33 = 32.32
12x - 33 = 81
12x = 81 + 33
12x = 114
x = 12
541 + (218-x) = 735 5(x+35)=515
218 - x = 735 - 541 x+35 = 515:5
218 - x = 194 x +35 =103
x = 218-194 x = 103-35
x = 24 x = 68
96-3(x+1) = 42 12x - 33 = 34
3( X+1)= 96 - 42 12x-33 = 81
3( x+1) = 54 12x = 81+33
x +1 = 54:3 12x = 114
x +1 = 18 x = 114:12
x = 18-2 x = 12
x = 16
Bài này lm lâu lm đó nhớ k mik nha
a, 541 + (218 - x) = 735
218 - x = 735 - 541
218 - x = 194
x = 218 - 194
x = 24
Vậy x = 24
b, 5(x + 35) = 515
x + 35 = 515 : 5
x + 35 = 103
x = 103 - 35
x = 68
Vậy x = 68
c, 96 - 3(x + 1) = 42
3(x + 1) = 96 - 42
3(x + 1) = 54
x + 1 = 54 : 3
x + 1 = 18
x = 18 - 1 = 17
Vậy x = 17
d, 12x - 33 = 32 . 33
12x - 33 = 35
12x - 33 = 243
12x = 243 + 33
12x = 276
x = 276 : 12
x = 23
Vậy x = 23
Ủng hộ mk nha !!! ^_^
541 + ( 218 -x ) = 735 5 ( x + 35 ) = 515
218-x = 735 - 541 5 . ( x+ 35 ) =515
218-x = 194 x+ 35 = 515 : 5
x =218-194 x + 35 = 103
x = 24 x = 103 - 35
x = 68
96- 3 ( x+ 1 ) = 42 12x - 33 = 3^2 3^3
93 . ( x+ 1 ) = 42 12x -33 =9 . 27
x + 1 =93 : 42 12x -33 = 243
x + 1 = 31/14 12x = 243 + 33
x = 31/14 - 1 12x = 276
x = 31/14 - 1/1 x = 276 : 12
x = 31/14 - 14/14 x = 23
x = 17/14
c)96-3(x+1)=42
3(x+1)=96-42
3(x-1)=54
(x+1)=54:3
(x+1)=18
x=18-1
x=17
a, 541 + [218 - x] = 735
[ 218 - x ] = 735 - 541
[ 218 - x ] = 194
218 - x = 194
= 218 - 194
=24
541+(218-x)=375
541+218-x=375
759-x=375
x=384
5 .(x+35)=515
x+35=103
x=68
10+2.x=4^5:4
10+2.x=256
2x=246
x=123
96-3.(x+1)=42
3(x+1)=54
x+1=18
x=17
=.= hok tốt!!
\(541+\left(218-x\right)=375.\)
\(\Leftrightarrow218-x=-166\)
\(\Leftrightarrow x=218-\left(-166\right)\)
\(\Leftrightarrow x=384\)
\(5.\left(x+35\right)=515\)
\(\Leftrightarrow x+35=103\)
\(\Leftrightarrow x=103-35\)
\(\Leftrightarrow x=68\)
\(10+2x=4^5:4\)
\(\Leftrightarrow10+2x=4^4\)
\(\Leftrightarrow10+2x=256\)
\(\Leftrightarrow2x=256-10\)
\(\Leftrightarrow2x=246\)
\(\Leftrightarrow x=123\)
\(96-3.\left(x+1\right)=42\)
\(\Leftrightarrow3.\left(x+1\right)=96-42\)
\(\Leftrightarrow3\left(x+1\right)=54\)
\(\Leftrightarrow x+1=54:3\)
\(\Leftrightarrow x+1=18\)
\(\Leftrightarrow x=17\)