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What does a equal if 15+4a=7a
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What does a equal if 15+4a=7a

User Mathieu
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2 Answers

5 votes
a=5

1. Subtract 4a from both sides… 15+4a-4a=7a-4a

2. Simplify… 15=3a

3. Divide both sides by 3… 15/3=3a/3

4. Simplify… 5=a

Answer: a=5

User Jonathan Rhein
by
9.0k points
5 votes
15=7a-4a
15=3a
15/3=a
5=a
So, a equal to 5
User Tim Howland
by
7.6k points
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