3a+75=12a+3

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Solution for 3a+75=12a+3 equation: 



3a+75=12a+3

We move all terms to the left:

3a+75-(12a+3)=0

We get rid of parentheses

3a-12a-3+75=0

We add all the numbers together, and all the variables

-9a+72=0

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

-9a=-72

a=-72/-9

a=+8

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