SOLUTION: 2 + 7a - 5 - 4a and 3(4y + 2) - 2(3-y) Do I use a scientific calculator to work this out and if so can you explain how to get the answer. Thanks

SOLUTION: 2 + 7a - 5 - 4a and 3(4y + 2) - 2(3-y) Do I use a scientific calculator to work this out and if so can you explain how to get the answer. Thanks

Algebra.Com

Question 717767: 2 + 7a - 5 - 4a and
3(4y + 2) - 2(3-y)
Do I use a scientific calculator to work this out and if so can you explain how to get the answer. Thanks
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
A) =3a-3
B) 12y+6-6+2y=14y
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