-20a-(-5a)-(-9a)+-11=7

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Solution for -20a-(-5a)-(-9a)+-11=7 equation: 



-20a-(-5a)-(-9a)+-11=7

We move all terms to the left:

-20a-(-5a)-(-9a)+-11-(7)=0

determiningTheFunctionDomain
-20a-(-5a)-(-9a)-11-7+=0

We add all the numbers together, and all the variables

-20a-(-5a)-(-9a)=0

We get rid of parentheses

-20a+5a+9a=0

We add all the numbers together, and all the variables

-6a=0

a=0/-6

a=0

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