10a-90=2a

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Solution for 10a-90=2a equation: 



10a-90=2a

We move all terms to the left:

10a-90-(2a)=0

We add all the numbers together, and all the variables

8a-90=0

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

8a=90

a=90/8

a=11+1/4

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