Question

1) 1,2x-4(x+2)=-4+5(2-x)
2) 8+6(x+1)=3x+1
3) 3x-11=7x=12

Answer 1

1,2-4(x+2)=4+5(2-x)
1,2-4x+8=4+10-5x
5x-4x=4+10-8-1,2
1x=4,8
x=4,8