9x-7x=40

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Solution for 9x-7x=40 equation: 


Simplifying
9x + -7x = 40

Combine like terms: 9x + -7x = 2x
2x = 40

Solving
2x = 40

Solving for variable 'x'.

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

Divide each side by '2'.
x = 20

Simplifying
x = 20

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