Question

Решите уровнение 23-7x=39+x

Answer 1

23-7х=39-х
-7х+х=39-23
-6х=16
х=16/6
х=2 2/3

Answer 2

23-7х=39+х
-7х-х=39-23
-8х=16
х=16:(-8)
х=-2