3x+10=42-2+x

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Solution for 3x+10=42-2+x equation: 



3x+10=42-2+x

We move all terms to the left:

3x+10-(42-2+x)=0

We add all the numbers together, and all the variables

3x-(x+40)+10=0

We get rid of parentheses

3x-x-40+10=0

We add all the numbers together, and all the variables

2x-30=0

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

2x=30

x=30/2

x=15

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