Question

3х – 10 = - 5х + 30
-4х + 3 - 7x = -9 - 8х
8+ х = 2х - 8 + 3x​

Answer 1

Explicación paso a paso:

3x + 5x = 10+30

8x = 40

x= 40/8

x=5

3+9 = -8x + 4x + 7x

12 = 3x

12/3 = x

x= 4

8+8 = 2x + 3x -x

16 = 4x

16/4 =x

x= 4