Question

решите уравнение
3х=28x-x
5x+12=8x+30

Answer 1

3х=28x-x
3х=27х
27х3х=9

5x+12=8x+30
5х-8х=30-12
-3х=18
х=18:(-3)
х=-6

Answer 2

-24х=0; х=0 -3х=18; х=-6