x^2+2x-11=x^2+x+1

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Solution for x^2+2x-11=x^2+x+1 equation: 



x^2+2x-11=x^2+x+1

We move all terms to the left:

x^2+2x-11-(x^2+x+1)=0

We get rid of parentheses

x^2-x^2+2x-x-1-11=0

We add all the numbers together, and all the variables

x-12=0

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

x=12

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