X*4+42=y

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Solution for X*4+42=y equation: 



X*4+42=X

We move all terms to the left:

X*4+42-(X)=0

We add all the numbers together, and all the variables

-1X+X*4+42=0

Wy multiply elements

-1X+4X+42=0

We add all the numbers together, and all the variables

3X+42=0

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

3X=-42

X=-42/3

X=-14

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