-1+x=15+3x

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Solution for -1+x=15+3x equation: 



-1+x=15+3x

We move all terms to the left:

-1+x-(15+3x)=0

We add all the numbers together, and all the variables

x-(3x+15)-1=0

We get rid of parentheses

x-3x-15-1=0

We add all the numbers together, and all the variables

-2x-16=0

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

-2x=16

x=16/-2

x=-8

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