57-9x=15+12

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Solution for 57-9x=15+12 equation: 



57-9x=15+12

We move all terms to the left:

57-9x-(15+12)=0

We add all the numbers together, and all the variables

-9x+57-27=0

We add all the numbers together, and all the variables

-9x+30=0

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

-9x=-30

x=-30/-9

x=3+1/3

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