2x+5x+7x=840

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Solution for 2x+5x+7x=840 equation: 


Simplifying
2x + 5x + 7x = 840

Combine like terms: 2x + 5x = 7x
7x + 7x = 840

Combine like terms: 7x + 7x = 14x
14x = 840

Solving
14x = 840

Solving for variable 'x'.

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

Divide each side by '14'.
x = 60

Simplifying
x = 60

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