5(-3x - 2) - (x - 3) = -4(4x + 5) + 13
Did you cook this one up yourself??
(all values of x are solutions).
Distribute.
-15x - 10 - x + 3 = -16x - 20 + 13
Combine like terms.
-16x - 7 = -16x - 7
Both sides say the exact same thing.
So yes, it is true for all values of x. :)
