x^2+5x=x^2-45

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Solution for x^2+5x=x^2-45 equation: 



x^2+5x=x^2-45

We move all terms to the left:

x^2+5x-(x^2-45)=0

We get rid of parentheses

x^2-x^2+5x+45=0

We add all the numbers together, and all the variables

5x+45=0

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

5x=-45

x=-45/5

x=-9

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