(X+15)-2x=x+3

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Solution for (X+15)-2x=x+3 equation: 



(X+15)-2X=X+3

We move all terms to the left:

(X+15)-2X-(X+3)=0

We add all the numbers together, and all the variables

-2X+(X+15)-(X+3)=0

We get rid of parentheses

-2X+X-X+15-3=0

We add all the numbers together, and all the variables

-2X+12=0

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

-2X=-12

X=-12/-2

X=+6

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