TEST 1. ADDING & SUBTRACTING ALGEBRAIC EXPRESSION
Evaluate the following expression both by VERTICAL and HORIZONTAL
PROCESS. Be sure to show your clean solution. I will mark it as wrong if you don't have
your solution. (4 pts. Per item)
1. (8x + 7) -- (7x-8)
2. X+4y + 8x - 2x -6y + 8y2
Vertical:
Vertical:​