Question

solve for y: 4x-2y=12

Answer 1

solve for y

Answer 2

first you have to move 4x on right side

Answer 3

4x is positive on left side
what is opposite of positive ???

Answer 4

its negative

Answer 5

so subtract 4x both side

Answer 6

ok but then what would happen to the -2

Answer 7

what you get after subtract 4x ???

Answer 8

the 4's cancel out and you should get x=8 or 8x one of those two

Answer 9

you have to subtract \(\color{blue}{4x}\) not only 4