1/4a + 1/6a = a-7, then a = ?
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Answered by
1
see the attachment for your solution
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Answered by
2
Answer:
a=12
Step-by-step explanation:
1/4a+1/6a=a-7
3a+2a/12=a-7
5a/12=a-7
5a=12a-84
-7a=-84
a=12
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