X+1=4x+8=21

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Solution for X+1=4x+8=21 equation: 



X+1=4X+8=21

We move all terms to the left:

X+1-(4X+8)=0

We get rid of parentheses

X-4X-8+1=0

We add all the numbers together, and all the variables

-3X-7=0

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

-3X=7

X=7/-3

X=-2+1/3

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