15+4a=7a.a=1

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Solution for 15+4a=7a.a=1 equation: 



15+4a=7a.a=1

We move all terms to the left:

15+4a-(7a.a)=0

We add all the numbers together, and all the variables

4a-(+7a.a)+15=0

We get rid of parentheses

4a-7a.a+15=0

We move all terms containing a to the left, all other terms to the right

4a-7a.a=-15

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