X-4+x+1+2x=45

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Solution for X-4+x+1+2x=45 equation: 



X-4+X+1+2X=45

We move all terms to the left:

X-4+X+1+2X-(45)=0

We add all the numbers together, and all the variables

4X-48=0

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

4X=48

X=48/4

X=12

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