6(x-2)-4x=12-x6x-6(2)-4x=12-x6x-12-4x=12-x6x-4x=12-x+126x-4x+x=12+126x-4x+x=243x=24x=24/3x=8First, take care of the parentheses by multiplicationSecond, group your variables / quantities togetherThird, do multiplication, addition or subtraction in each side of equation as needed.Fourth, resolve the problem for the variable (quantity)I hope this helps,KamelSadr