3x+84=9x

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Solution for 3x+84=9x equation:


Simplifying
3x + 84 = 9x

Reorder the terms:
84 + 3x = 9x

Solving
84 + 3x = 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
84 + 3x + -9x = 9x + -9x

Combine like terms: 3x + -9x = -6x
84 + -6x = 9x + -9x

Combine like terms: 9x + -9x = 0
84 + -6x = 0

Add '-84' to each side of the equation.
84 + -84 + -6x = 0 + -84

Combine like terms: 84 + -84 = 0
0 + -6x = 0 + -84
-6x = 0 + -84

Combine like terms: 0 + -84 = -84
-6x = -84

Divide each side by '-6'.
x = 14

Simplifying
x = 14

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