What is -3 (8x)+6(4x) ;x=2
-3 (8x)+6 (4x)-3 (16)+6 (8)-48+48=0
Well since we know what x equals we can just plug that into the equation.-3(8 2) + 6(42)Do what is in parentheses first-3(16) + 6(8)-48 + 48The negative and the positive end up canceling out to make this 0