-x+9=1+3x

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Solution for -x+9=1+3x equation: 



-x+9=1+3x

We move all terms to the left:

-x+9-(1+3x)=0

We add all the numbers together, and all the variables

-x-(3x+1)+9=0

We add all the numbers together, and all the variables

-1x-(3x+1)+9=0

We get rid of parentheses

-1x-3x-1+9=0

We add all the numbers together, and all the variables

-4x+8=0

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

-4x=-8

x=-8/-4

x=+2

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