11+x=3x+7

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Solution for 11+x=3x+7 equation: 



11+x=3x+7

We move all terms to the left:

11+x-(3x+7)=0

We get rid of parentheses

x-3x-7+11=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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