I would say your answer is false because my mom works on houses and she never does this....
Hope I Helped (:
Answer:
r = 49
Step-by-step explanation:
Answer:
5a-3b+12c
Step-by-step explanation:
(2a - 3b + 5c) - (-3a - 7c)
Distribute the minus sign
2a -3b +5c +3a +7c
Combine like terms
5a-3b+12c