120+60+15+20+a=130+35+2a+0

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Solution for 120+60+15+20+a=130+35+2a+0 equation: 



120+60+15+20+a=130+35+2a+0

We move all terms to the left:

120+60+15+20+a-(130+35+2a+0)=0

We add all the numbers together, and all the variables

a-(2a+165)+120+60+15+20=0

We add all the numbers together, and all the variables

a-(2a+165)+215=0

We get rid of parentheses

a-2a-165+215=0

We add all the numbers together, and all the variables

-1a+50=0

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

-a=-50

a=-50/-1

a=+50

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