Respuesta :

MathPhys

Step-by-step explanation:

(x − 4) / 7 = (8 − 3x) / 5

Cross multiply:

5 (x − 4) = 7 (8 − 3x)

Distribute:

5x − 20 = 56 − 21x

Combine like terms:

26x = 76

Divide:

x = 76/26

Reduce:

x = 38/13 or ≈ 2.92