3x+9x-7x=65

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Solution for 3x+9x-7x=65 equation: 


Simplifying
3x + 9x + -7x = 65

Combine like terms: 3x + 9x = 12x
12x + -7x = 65

Combine like terms: 12x + -7x = 5x
5x = 65

Solving
5x = 65

Solving for variable 'x'.

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

Divide each side by '5'.
x = 13

Simplifying
x = 13

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