2x+7x=300-5x

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Solution for 2x+7x=300-5x equation: 


Simplifying
2x + 7x = 300 + -5x

Combine like terms: 2x + 7x = 9x
9x = 300 + -5x

Solving
9x = 300 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
9x + 5x = 300 + -5x + 5x

Combine like terms: 9x + 5x = 14x
14x = 300 + -5x + 5x

Combine like terms: -5x + 5x = 0
14x = 300 + 0
14x = 300

Divide each side by '14'.
x = 21.42857143

Simplifying
x = 21.42857143

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