30=x+x+3+2x-1

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Solution for 30=x+x+3+2x-1 equation: 



30=x+x+3+2x-1

We move all terms to the left:

30-(x+x+3+2x-1)=0

We add all the numbers together, and all the variables

-(4x+2)+30=0

We get rid of parentheses

-4x-2+30=0

We add all the numbers together, and all the variables

-4x+28=0

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

-4x=-28

x=-28/-4

x=+7

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