-4a+7a-20a+-13a+17a=13

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Solution for -4a+7a-20a+-13a+17a=13 equation: 



-4a+7a-20a+-13a+17a=13

We move all terms to the left:

-4a+7a-20a+-13a+17a-(13)=0

determiningTheFunctionDomain
-4a+7a-20a-13a+17a-13+=0

We add all the numbers together, and all the variables

-13a=0

a=0/-13

a=0

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