Question

3x-1=2(x-2)
3(x+5)=x-3
19(y+9)=3(x-8)

Answer 1

1) 3х-1=2(х-2)
3х-1=2х-4
3х-2х=-4+1
х=-3
2) 3(х+5)=х-3
3х+15=х-3
3х-х=-3+15
2х=12
х=6
3) 19(х+9)=3(х-8)
19х+171=3х-24
19х-3х=-24-171
16х=-195
х=-12