x^2-x^2+6x-9=18

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Solution for x^2-x^2+6x-9=18 equation:


Simplifying
x2 + -1x2 + 6x + -9 = 18

Reorder the terms:
-9 + 6x + x2 + -1x2 = 18

Combine like terms: x2 + -1x2 = 0
-9 + 6x + 0 = 18
-9 + 6x = 18

Solving
-9 + 6x = 18

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 6x = 18 + 9

Combine like terms: -9 + 9 = 0
0 + 6x = 18 + 9
6x = 18 + 9

Combine like terms: 18 + 9 = 27
6x = 27

Divide each side by '6'.
x = 4.5

Simplifying
x = 4.5

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