2x-45=7x-9x-9

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Solution for 2x-45=7x-9x-9 equation:


Simplifying
2x + -45 = 7x + -9x + -9

Reorder the terms:
-45 + 2x = 7x + -9x + -9

Reorder the terms:
-45 + 2x = -9 + 7x + -9x

Combine like terms: 7x + -9x = -2x
-45 + 2x = -9 + -2x

Solving
-45 + 2x = -9 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
-45 + 2x + 2x = -9 + -2x + 2x

Combine like terms: 2x + 2x = 4x
-45 + 4x = -9 + -2x + 2x

Combine like terms: -2x + 2x = 0
-45 + 4x = -9 + 0
-45 + 4x = -9

Add '45' to each side of the equation.
-45 + 45 + 4x = -9 + 45

Combine like terms: -45 + 45 = 0
0 + 4x = -9 + 45
4x = -9 + 45

Combine like terms: -9 + 45 = 36
4x = 36

Divide each side by '4'.
x = 9

Simplifying
x = 9

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