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-12b+5a Is it equivalent to 3(a-4b)+2a lols
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19 votes
19 votes
-12b+5a
Is it equivalent to 3(a-4b)+2a lols

User MushyPeas
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2 Answers

10 votes
10 votes

expand 3(a-4b)+2a

3a-12b+21

-12b+5a

so, yes it is

User Mnj
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3.6k points
28 votes
28 votes
-12b + 5a = 3(a-4b) + 2a

Add 12b to both sides

5a = 3(a-4b) + 2a + 12b

Subtract 2a from both sides

3a = 3(a-4b) + 12b

Expand 3(a-4b)

3a = 3a - 12b + 12b

Cancel out 12b

3a = 3a

Yes they are equivalent
User Enpenax
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