X+8+11=3x+15

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Solution for X+8+11=3x+15 equation: 



X+8+11=3X+15

We move all terms to the left:

X+8+11-(3X+15)=0

We add all the numbers together, and all the variables

X-(3X+15)+19=0

We get rid of parentheses

X-3X-15+19=0

We add all the numbers together, and all the variables

-2X+4=0

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

-2X=-4

X=-4/-2

X=+2

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