3(x-4)-7x=5x+6 уравнение

Question

3(x-4)-7x=5x+6 уравнение

Answer 1

3х-12-7х=5х+6
3х-12-7х-5х-6=0
х-18=0
х=18

Answer 2

3(х-4)-7х=5х+6
3х-12-7х=5х+6
3х-7х-5х=6+12
-9х=18
х=-2