Question

Решите уравнение 3(2х – 1) + 7(х – 5) = – 52 – (1 – 3х)

Answer 1

3(2х – 1) + 7(х – 5) = – 52 – (1 – 3х) 6х-3+7х-35=-52-1+3х
6х+7х-3х=-52+4+35
10х=-13
х=-1.3

Answer 2

умница