8+90=2a+58

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Solution for 8+90=2a+58 equation: 



8+90=2a+58

We move all terms to the left:

8+90-(2a+58)=0

We add all the numbers together, and all the variables

-(2a+58)+98=0

We get rid of parentheses

-2a-58+98=0

We add all the numbers together, and all the variables

-2a+40=0

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

-2a=-40

a=-40/-2

a=+20

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