Question

1-5(2-3x)=6
7-3(x+1)=6
5-2(3-x)=11

Answer 1

1-5(2-3x)=6
1-10+15x=6
-9+15x=6
15x=6+9
15x=15
x=15:15
x=1

7-3(x+1)=6
7-3x-3=6
-3x+4=6
-3x=6-4
-3x=2
x=2:(-3)
x=2/3

5-2(3-x)=11
5-6+2x=11
-1+2x=11
2x=12
x=12:2
x=6