84-4x=2x+15

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Solution for 84-4x=2x+15 equation:


Simplifying
84 + -4x = 2x + 15

Reorder the terms:
84 + -4x = 15 + 2x

Solving
84 + -4x = 15 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
84 + -4x + -2x = 15 + 2x + -2x

Combine like terms: -4x + -2x = -6x
84 + -6x = 15 + 2x + -2x

Combine like terms: 2x + -2x = 0
84 + -6x = 15 + 0
84 + -6x = 15

Add '-84' to each side of the equation.
84 + -84 + -6x = 15 + -84

Combine like terms: 84 + -84 = 0
0 + -6x = 15 + -84
-6x = 15 + -84

Combine like terms: 15 + -84 = -69
-6x = -69

Divide each side by '-6'.
x = 11.5

Simplifying
x = 11.5

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