-13a+18a+-15a=20

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Solution for -13a+18a+-15a=20 equation: 



-13a+18a+-15a=20

We move all terms to the left:

-13a+18a+-15a-(20)=0

determiningTheFunctionDomain
-13a+18a-15a-20+=0

We add all the numbers together, and all the variables

-10a=0

a=0/-10

a=0

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