(x+3)+3x=115

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Solution for (x+3)+3x=115 equation: 



(x+3)+3x=115

We move all terms to the left:

(x+3)+3x-(115)=0

We add all the numbers together, and all the variables

3x+(x+3)-115=0

We get rid of parentheses

3x+x+3-115=0

We add all the numbers together, and all the variables

4x-112=0

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

4x=112

x=112/4

x=28

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