x+x+x-45+x-45=540

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Solution for x+x+x-45+x-45=540 equation: 



x+x+x-45+x-45=540

We move all terms to the left:

x+x+x-45+x-45-(540)=0

We add all the numbers together, and all the variables

4x-630=0

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

4x=630

x=630/4

x=157+1/2

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