-9a+207=-4a+162

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Solution for -9a+207=-4a+162 equation: 



-9a+207=-4a+162

We move all terms to the left:

-9a+207-(-4a+162)=0

We get rid of parentheses

-9a+4a-162+207=0

We add all the numbers together, and all the variables

-5a+45=0

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

-5a=-45

a=-45/-5

a=+9

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