Question

5х+1=3х+1; 6*х-1=11; х-1=7(х-1); х-2=1+4х;

Answer 1

1) 5х-3х = 1-1
2х = 0
х=0
2) 6х=12
х=2
3) х-1 = 7х-7
х-7х=-7+1
-6х=-6
х=1
4) х-4х=1+2
-3х=3
х= -1