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Please! Help! (due by tonight)
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7 votes
7 votes
Please! Help! (due by tonight)

Please! Help! (due by tonight)-example-1
User Sms
by
3.4k points

2 Answers

3 votes
3 votes

Answer: a + 3b

Explanation:

Okay, so...

7(3a - 2b) = 7(3a) - 7(2b) ... distributive property

21a - 14b

5(3b - 4a) = 5(3b) - 5(4a) ... distributive property

15b - 20a

(21a - 14b) + (15b - 20a) = 21a -12b + 15b - 20a =

a + 3b

User Lukas Kral
by
3.8k points
1 vote
1 vote

Answer:

21a-14b

15b-20a

Explanation:

User Indivon
by
3.1k points
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