2x+x+(2x-10)=520

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Solution for 2x+x+(2x-10)=520 equation: 



2x+x+(2x-10)=520

We move all terms to the left:

2x+x+(2x-10)-(520)=0

We add all the numbers together, and all the variables

3x+(2x-10)-520=0

We get rid of parentheses

3x+2x-10-520=0

We add all the numbers together, and all the variables

5x-530=0

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

5x=530

x=530/5

x=106

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