Question

Решите уравнение:
3х-2=-х+7

Answer 1

3х-2=-х+7
3х+х=7+2
4х=9
Х=2,25

Answer 2

$3x-2=-x+7 \ \ 3x+x=7+2 \ \ 4x=9 \ \ x=9:2 \ \ x=2.25$