2x+(x-30)+(x-30)+(x-30)=540

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Solution for 2x+(x-30)+(x-30)+(x-30)=540 equation: 



2x+(x-30)+(x-30)+(x-30)=540

We move all terms to the left:

2x+(x-30)+(x-30)+(x-30)-(540)=0

We get rid of parentheses

2x+x+x+x-30-30-30-540=0

We add all the numbers together, and all the variables

5x-630=0

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

5x=630

x=630/5

x=126

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