64a+72=90a+100

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Solution for 64a+72=90a+100 equation: 



64a+72=90a+100

We move all terms to the left:

64a+72-(90a+100)=0

We get rid of parentheses

64a-90a-100+72=0

We add all the numbers together, and all the variables

-26a-28=0

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

-26a=28

a=28/-26

a=-1+1/13

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