Question

7+8x-4x=2x+10+3x porfa es para mañana...

Answer 1

7+8x-4x=2x+10+3x
7+4x=5x+10
7-10=5x-4x
-3=x

Answer 2

7 + 8x - 4x = 2x + 10 + 3x

7 + 4x = 5x + 10

7 - 10 = 5x - 4x

- 3 =  x

Comprobación

7 + 8x - 4x = 2x + 10 + 3x

7 + 4x = 10 + 5x

7 + 4( - 3) = 10 + 5( - 3)

7 - 12 = 10 - 15

  - 5  =  -5