Question

Solución y comprobación de:
4X - 3 = -5X + 5

Answer 1

Resolver.

4x - 3 = - 5x + 5
4x + 5x = 5 + 3
9x = 8
x = 8/9

Comprobacion.

4x - 3 = - 5x + 5
4(8/9) - 3 = - 5(8/9) + 5
32/9 - 3 = - 40/9 + 5
32/9 - 27/9 = - 40 /9 + 45/9
(32 - 27)/9 = ( - 40 + 45)/9
5/9            =    5/9