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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

20a-(2a+165)+195=0

We get rid of parentheses

20a-2a-165+195=0

We add all the numbers together, and all the variables

18a+30=0

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

18a=-30

a=-30/18

a=-1+2/3

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