3x+21=14x-84

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Solution for 3x+21=14x-84 equation:


Simplifying
3x + 21 = 14x + -84

Reorder the terms:
21 + 3x = 14x + -84

Reorder the terms:
21 + 3x = -84 + 14x

Solving
21 + 3x = -84 + 14x

Solving for variable 'x'.

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

Add '-14x' to each side of the equation.
21 + 3x + -14x = -84 + 14x + -14x

Combine like terms: 3x + -14x = -11x
21 + -11x = -84 + 14x + -14x

Combine like terms: 14x + -14x = 0
21 + -11x = -84 + 0
21 + -11x = -84

Add '-21' to each side of the equation.
21 + -21 + -11x = -84 + -21

Combine like terms: 21 + -21 = 0
0 + -11x = -84 + -21
-11x = -84 + -21

Combine like terms: -84 + -21 = -105
-11x = -105

Divide each side by '-11'.
x = 9.545454545

Simplifying
x = 9.545454545

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