7a+5a=-5

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Solution for 7a+5a=-5 equation: 



7a+5a=-5

We move all terms to the left:

7a+5a-(-5)=0

We add all the numbers together, and all the variables

12a+5=0

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

12a=-5

a=-5/12

a=-5/12

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