8x-y=3
Since 8x does not contain the variable to solve for, move it to the right-hand side of the equation by subtracting 8x from both sides.
-y=-8x+3
Multiply each term in the equation by -1.
-y*-1=-8x*-1+3*-1
Multiply -y by -1 to get y.
y=-8x*-1+3*-1
Simplify the right-hand side of the...