
Add the given equations using the "Horizontal Method."
Example: 7x5y+4a, 5z+2bx and 3x+2yb.
Associative Law allows us to rewrite the expressions to bring the liketerms together as shown below, Directions: Given the following expressions, find the values of the addition combinations given in the questions. A=5p^{2}3q^{2}+r^{2}, B=2q^{2}+3p^{2}4r^{2}, C=7r^{2}+3p^{2}+2q^{2}, P= x+yz, Q=y+zx, and R=z+xy 