-13a+218=-4a+155

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Solution for -13a+218=-4a+155 equation: 



-13a+218=-4a+155

We move all terms to the left:

-13a+218-(-4a+155)=0

We get rid of parentheses

-13a+4a-155+218=0

We add all the numbers together, and all the variables

-9a+63=0

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

-9a=-63

a=-63/-9

a=+7

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