5(-6-4a)=-90

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Solution for 5(-6-4a)=-90 equation:



5(-6-4a)=-90
We move all terms to the left:
5(-6-4a)-(-90)=0
We add all the numbers together, and all the variables
5(-4a-6)-(-90)=0
We add all the numbers together, and all the variables
5(-4a-6)+90=0
We multiply parentheses
-20a-30+90=0
We add all the numbers together, and all the variables
-20a+60=0
We move all terms containing a to the left, all other terms to the right
-20a=-60
a=-60/-20
a=+3

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