Question

Aiudenme
4x-2(x-1)=12
5x-3=3x-9
3x-4(x+1)=9
8=3(x-1)+2
Plox :'v

Answer 1

4x-2(x-1)=12
4x-2x+2=12
2x=14
x=14/2
x=7

5x-3=3x-9
5x-3x=-9+3
2x=-6
X=-6/2
X=-3

3x-4(x+1)=9
3x-4x-4=9
-x=9+4
X=-13

8=3(x-1)+2
8=3x-3+2
8=3x-1
3x=8+1
x=9/3
x=3