X+2x+5+X=45

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Solution for X+2x+5+X=45 equation: 



X+2X+5+X=45

We move all terms to the left:

X+2X+5+X-(45)=0

We add all the numbers together, and all the variables

4X-40=0

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

4X=40

X=40/4

X=10

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