Expand using distributive property 7(3a-2b) and 5(3b-4a) and add the two results together,and simplify

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asked Apr 7, 2021 2.7k views

4 votes

Expand using distributive property 7(3a-2b) and 5(3b-4a) and add the two results together,and simplify

Mathematics
college

Papaya asked

by Papaya

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2 Answers

4 votes

Answer:

a + b

Explanation:

7(3a-2b) = 21a - 14b

5(3b-4a) = 15b - 20a

(21a - 14b) + (15b - 20a)

21a - 20a - 14b + 15b

a + b

Arran Duff answered Apr 9, 2021

by Arran Duff

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2 votes

Answer:

a+b

Explanation:

7(3a-2b) + 5(3b-4a)

Distribute

21a -14b + 15b -20a

Combine like terms

21a -20a -14b+15b

a +b

Stefano Dalpiaz answered Apr 11, 2021

by Stefano Dalpiaz

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