Question

a)3x-4=2x+8

c) 7x-28=2x+7

Answer 1

A) 3x -4 = 2x +8
   3x -2x = 8 +4
 x= 12

C) 7x - 28 = 2x + 7
  7x -2x = 7+ 28
 5x = 35
 x = $\frac{35}{5}$
x = 7

Answer 2

3x - 4 = 2x + 8
3x - 2x = 8 + 4
1x = 12
x = 12 / 1
x = 12

7x - 28 = 2x + 7
7x - 2x = 7 + 28
5x = 35
x = 35 / 5
x = 7

ESPERO TER AJUDADO.