15-a=4a-3

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Solution for 15-a=4a-3 equation: 



15-a=4a-3

We move all terms to the left:

15-a-(4a-3)=0

We add all the numbers together, and all the variables

-1a-(4a-3)+15=0

We get rid of parentheses

-1a-4a+3+15=0

We add all the numbers together, and all the variables

-5a+18=0

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

-5a=-18

a=-18/-5

a=3+3/5

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