6a+7a=-11

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Solution for 6a+7a=-11 equation: 



6a+7a=-11

We move all terms to the left:

6a+7a-(-11)=0

We add all the numbers together, and all the variables

13a+11=0

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

13a=-11

a=-11/13

a=-11/13

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