x2+x-7=x2+2

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Solution for x2+x-7=x2+2 equation: 



x2+x-7=x2+2

We move all terms to the left:

x2+x-7-(x2+2)=0

We add all the numbers together, and all the variables

-(+x^2+2)+x2+x-7=0

We add all the numbers together, and all the variables

x^2-(+x^2+2)+x-7=0

We get rid of parentheses

x^2-x^2+x-2-7=0

We add all the numbers together, and all the variables

x-9=0

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

x=9

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