9x-45=45-x

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Solution for 9x-45=45-x equation:


Simplifying
9x + -45 = 45 + -1x

Reorder the terms:
-45 + 9x = 45 + -1x

Solving
-45 + 9x = 45 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-45 + 9x + x = 45 + -1x + x

Combine like terms: 9x + x = 10x
-45 + 10x = 45 + -1x + x

Combine like terms: -1x + x = 0
-45 + 10x = 45 + 0
-45 + 10x = 45

Add '45' to each side of the equation.
-45 + 45 + 10x = 45 + 45

Combine like terms: -45 + 45 = 0
0 + 10x = 45 + 45
10x = 45 + 45

Combine like terms: 45 + 45 = 90
10x = 90

Divide each side by '10'.
x = 9

Simplifying
x = 9

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