3a+7+2a.a=5

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Solution for 3a+7+2a.a=5 equation: 



3a+7+2a.a=5

We move all terms to the left:

3a+7+2a.a-(5)=0

We add all the numbers together, and all the variables

3a+2a.a+2=0

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

3a+2a.a=-2

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