Simplify 6x+7-5x to x+7 - 3 (x-1)+8(x-3)=x+7 Expand -3x+3+8x-24=x+7 Simplify -3x+3+8x-24 to 5x-21 5x-21+x+7 Add 21 to both sides 5x=x+7+21 Simplify x+7+21 to x +28 5x=x+28 Subtract x from both sides 5x-x=28 Simplify 5x-x to 4x 4x=28 Divide both sides by 4 x= Then Simplify 28/4 to 7