9a-10=100-4a

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Solution for 9a-10=100-4a equation: 



9a-10=100-4a

We move all terms to the left:

9a-10-(100-4a)=0

We add all the numbers together, and all the variables

9a-(-4a+100)-10=0

We get rid of parentheses

9a+4a-100-10=0

We add all the numbers together, and all the variables

13a-110=0

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

13a=110

a=110/13

a=8+6/13

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