Question

3(x-7)+4=7x-1 Решить уравнение

Answer 1

3(x-7)+4=7x-1  3х-21+4=7х-1 3х-7х=21-4-1 -4х=16/4 х=-4

Answer 2

3(х-7)+4=7х-1

3х-21+4-7х+1=0

-4х=16

х=16/(-4)

х=-4