Question

Решите уравнение!
7(4 – 3x) – (8,5 – x) = 4 – 3(x –8).

Answer 1

7(4 – 3x) – (8,5 – x) = 4 – 3(x –8)
28-21х - 8.5 + х = 4-3х + 24
-21х+х+3х = 4+24-28+8.5
-17х = 8.5
х = -0.5