Question

Determina el valor de "t" en la siguiste ecuacion:
7 ( t - 3) = 45 - 3 ( 12 +t)

Answer 1

Resolver.

7(t - 3) = 45 - 3(12 + t)
7t - 21 = 45 - 36 - 3t
7t - 21 = 9 - 3t
7t + 3t = 9 + 21
10t = 30
t = 30/10
t = 3

Respuesta.
t = 3