4x-42=30+2x

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Solution for 4x-42=30+2x equation: 



4x-42=30+2x

We move all terms to the left:

4x-42-(30+2x)=0

We add all the numbers together, and all the variables

4x-(2x+30)-42=0

We get rid of parentheses

4x-2x-30-42=0

We add all the numbers together, and all the variables

2x-72=0

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

2x=72

x=72/2

x=36

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