Question

4(x-6)+3(2x+4)=6
и
5(x-7)-3(12x-4)=2

Answer 1

4x-24+6x+12=6
10x=30
x=3
5(x-7)-3(12x-4)=25x-35-36x+12=2
-31x=25
-x=0.806.....
x=-0.806....

Answer 2

1) 4x-24+6x+12=6
10x=18
x=1.8
2) 5x-35-36x+12=2
-31x=25
x= -25/31