9x-1=31+x

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Solution for 9x-1=31+x equation: 



9x-1=31+x

We move all terms to the left:

9x-1-(31+x)=0

We add all the numbers together, and all the variables

9x-(x+31)-1=0

We get rid of parentheses

9x-x-31-1=0

We add all the numbers together, and all the variables

8x-32=0

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

8x=32

x=32/8

x=4

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