X+2(x)+2(2x)=77

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Solution for X+2(x)+2(2x)=77 equation: 



X+2(X)+2(2X)=77

We move all terms to the left:

X+2(X)+2(2X)-(77)=0

We add all the numbers together, and all the variables

25X-77=0

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

25X=77

X=77/25

X=3+2/25

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