x^2=x^2-9x+18

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Solution for x^2=x^2-9x+18 equation:


Simplifying
x2 = x2 + -9x + 18

Reorder the terms:
x2 = 18 + -9x + x2

Add '-1x2' to each side of the equation.
x2 + -1x2 = 18 + -9x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
0 = 18 + -9x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
0 = 18 + -9x + 0
0 = 18 + -9x

Solving
0 = 18 + -9x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '9x' to each side of the equation.
0 + 9x = 18 + -9x + 9x
Remove the zero:
9x = 18 + -9x + 9x

Combine like terms: -9x + 9x = 0
9x = 18 + 0
9x = 18

Divide each side by '9'.
x = 2

Simplifying
x = 2

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