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x^2+3-x=x^2+10x-7
We move all terms to the left:
x^2+3-x-(x^2+10x-7)=0
We add all the numbers together, and all the variables
x^2-1x-(x^2+10x-7)+3=0
We get rid of parentheses
x^2-x^2-1x-10x+7+3=0
We add all the numbers together, and all the variables
-11x+10=0
We move all terms containing x to the left, all other terms to the right
-11x=-10
x=-10/-11
x=10/11
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