a,(-12).x= 60-12

(-12).x=48

x=48:(-12)

x = -4

b,(-5).x + 5 = -24+6

(-5).x + 5 = 30

(-5).x      = 30-5

(-5).x      = 25

x = 25 : (-5)

x = -5

c,

$3x+36=-7x-64$

$10x=-100$

$x=-10$

$b,-5x-178=14x+145$

$-19x=323$

$x=-17$

\(a,9x-8=838\)

\(9x=838+8\)

\(9x=846\)

\(x=846:9=94\)

\(b,\left(x+30\right)-75=125\)

\(x+30=125+75\)

\(x+30=200\)

\(x=200-30=170\)

\(c,x-72:36=18\)

\(x-2=18\)

\(x=18+2=20\)

#Urushi

\(a,x-36:18=12\)

             \(x-2=12\)

                     \(x=12+2\)

                      \(x=14\)

\(b,\left(x-36\right):18=12\)

                \(x-36=12.18\)  

                \(x-36=216\)

                           \(x=216+36\)

                           \(x=252\)

a) x - 36 : 18 = 12

    x -    2      = 12

            x      = 12 + 2

            x      =  14

b) ( x - 36 ) : 18 = 12 

      x - 36          = 12 x 18

      x - 36          = 216

           x            = 216 + 36

           x            = 252

(x – 36) : 18 = 12

x – 36 = 12.18

x – 36 = 216

x = 216 + 36

x = 252

Vậy x = 252

x – 36 : 18 = 12

x – 2 = 12

x = 12 + 2

x = 14

Vậy x = 14

x - 36 : 18 = 12

=> x - 2 = 12

=> x = 14

vậy_

(x - 36) : 18 = 12

=> x - 36 = 216

=> x = 252

vậy_

b) x - 36 : 18 = 12

x - 2 = 12

x = 14

b) (x-36) : 18 = 12

x - 36 = 216

x = 252