3x-42=286-x

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Solution for 3x-42=286-x equation: 



3x-42=286-x

We move all terms to the left:

3x-42-(286-x)=0

We add all the numbers together, and all the variables

3x-(-1x+286)-42=0

We get rid of parentheses

3x+1x-286-42=0

We add all the numbers together, and all the variables

4x-328=0

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

4x=328

x=328/4

x=82

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