Question

1) 2(x-1)=x+1
2) 2x-1=3x+2
3) 3x+5,4=x-4,6

Answer 1

1) 2(x-1)=x+1
2x-2=x+1
x=3
2) 2x-1=3x+2
-3=x
3) 3x+5,4=x-4,6
2x=-10
x=-5