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Solve for the variable 4a-9=7a+12 Thanks!!

Solve for the variable 4a-9=7a+12 Thanks!!
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1 vote
Solve for the variable 4a-9=7a+12

Thanks!!

User Jamie Mclaughlan
by
7.5k points

2 Answers

0 votes

Answer:

a = -7

Explanation:

User Climmunk
by
8.6k points
4 votes

Answer:

a = - 7

Explanation:

Given

4a - 9 = 7a + 12 ( subtract 7a from both sides )

- 3a - 9 = 12 ( add 9 to both sides )

- 3a = 21 ( divide both sides by - 3 )

a = - 7

User Bax
by
8.4k points
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