Question

2x-18=2(1-x) resolver y comprobar

Answer 1

yo te lo ago, no entiendo eso decomprobar

Answer 2

2x - 18 = 2 (1 - x)
2x - 18 = 2 - 2x
2x + 2x = 2 + 18
4x = 20
x = 20/4
x = 5 <== Resultado.

Comprobar:
2x - 18 = 2 (1 - x)
2(5) - 18 = 2 (1 - (5))
10 - 18 = 2 (- 4)
- 8 = - 8 <== Correcto.

Att: Diana ❤