3.5+8.5+3x=31,x

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Solution for 3.5+8.5+3x=31,x equation: 



3.5+8.5+3x=31.x

We move all terms to the left:

3.5+8.5+3x-(31.x)=0

We add all the numbers together, and all the variables

3x-(+31.x)+3.5+8.5=0

We add all the numbers together, and all the variables

3x-(+31.x)+12=0

We get rid of parentheses

3x-31.x+12=0

We add all the numbers together, and all the variables

-28x+12=0

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

-28x=-12

x=-12/-28

x=3/7

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