7x-5x=9

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Solution for 7x-5x=9 equation: 


Simplifying
7x + -5x = 9

Combine like terms: 7x + -5x = 2x
2x = 9

Solving
2x = 9

Solving for variable 'x'.

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

Divide each side by '2'.
x = 4.5

Simplifying
x = 4.5

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