57=8x+x+3

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Solution for 57=8x+x+3 equation: 



57=8x+x+3

We move all terms to the left:

57-(8x+x+3)=0

We add all the numbers together, and all the variables

-(9x+3)+57=0

We get rid of parentheses

-9x-3+57=0

We add all the numbers together, and all the variables

-9x+54=0

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

-9x=-54

x=-54/-9

x=+6

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