take your numbers to one side and your letters to the other side.
So to balance the equation you have to do the opposite of adding 5 to both sides... that is subtracting
-7 - 5 = -4x + 5 - 5
-12 = - 4x
now what is the opposite of multiplying by -4?
What value makes this equation true:
-7=-4x+5
1 answer