Step-by-step explanation:
Answer:
a = 2
Step-by-step explanation:
14a - 21 - 5a = -3
9a - 21 = -3
9a = -3 + 21
9a = 18
a = 2
Answer:
A= pq/2
Step-by-step explanation:
When we multiply or divide the same base with exponents we add or subtract, so for that to work the 0th power has to equal 1