15x+20(30-x)=540

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Solution for 15x+20(30-x)=540 equation: 



15x+20(30-x)=540

We move all terms to the left:

15x+20(30-x)-(540)=0

We add all the numbers together, and all the variables

15x+20(-1x+30)-540=0

We multiply parentheses

15x-20x+600-540=0

We add all the numbers together, and all the variables

-5x+60=0

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

-5x=-60

x=-60/-5

x=+12

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