X+2X+0.5x+15=99

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Solution for X+2X+0.5x+15=99 equation: 


Simplifying
X + 2X + 0.5x + 15 = 99

Reorder the terms:
15 + X + 2X + 0.5x = 99

Combine like terms: X + 2X = 3X
15 + 3X + 0.5x = 99

Solving
15 + 3X + 0.5x = 99

Solving for variable 'X'.

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

Add '-15' to each side of the equation.
15 + 3X + -15 + 0.5x = 99 + -15

Reorder the terms:
15 + -15 + 3X + 0.5x = 99 + -15

Combine like terms: 15 + -15 = 0
0 + 3X + 0.5x = 99 + -15
3X + 0.5x = 99 + -15

Combine like terms: 99 + -15 = 84
3X + 0.5x = 84

Add '-0.5x' to each side of the equation.
3X + 0.5x + -0.5x = 84 + -0.5x

Combine like terms: 0.5x + -0.5x = 0.0
3X + 0.0 = 84 + -0.5x
3X = 84 + -0.5x

Divide each side by '3'.
X = 28 + -0.1666666667x

Simplifying
X = 28 + -0.1666666667x

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