3(x+5)=31-x

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Solution for 3(x+5)=31-x equation: 



3(x+5)=31-x

We move all terms to the left:

3(x+5)-(31-x)=0

We add all the numbers together, and all the variables

3(x+5)-(-1x+31)=0

We multiply parentheses

3x-(-1x+31)+15=0

We get rid of parentheses

3x+1x-31+15=0

We add all the numbers together, and all the variables

4x-16=0

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

4x=16

x=16/4

x=4

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