9x+2x+3x+9=300

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Solution for 9x+2x+3x+9=300 equation:


Simplifying
9x + 2x + 3x + 9 = 300

Reorder the terms:
9 + 9x + 2x + 3x = 300

Combine like terms: 9x + 2x = 11x
9 + 11x + 3x = 300

Combine like terms: 11x + 3x = 14x
9 + 14x = 300

Solving
9 + 14x = 300

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 14x = 300 + -9

Combine like terms: 9 + -9 = 0
0 + 14x = 300 + -9
14x = 300 + -9

Combine like terms: 300 + -9 = 291
14x = 291

Divide each side by '14'.
x = 20.78571429

Simplifying
x = 20.78571429

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