x+2x+(x-30)=270

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Solution for x+2x+(x-30)=270 equation: 



x+2x+(x-30)=270

We move all terms to the left:

x+2x+(x-30)-(270)=0

We add all the numbers together, and all the variables

3x+(x-30)-270=0

We get rid of parentheses

3x+x-30-270=0

We add all the numbers together, and all the variables

4x-300=0

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

4x=300

x=300/4

x=75

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