X+2X+0.5+15=99

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


Simplifying
X + 2X + 0.5 + 15 = 99

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

Combine like terms: 0.5 + 15 = 15.5
15.5 + X + 2X = 99

Combine like terms: X + 2X = 3X
15.5 + 3X = 99

Solving
15.5 + 3X = 99

Solving for variable 'X'.

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

Add '-15.5' to each side of the equation.
15.5 + -15.5 + 3X = 99 + -15.5

Combine like terms: 15.5 + -15.5 = 0.0
0.0 + 3X = 99 + -15.5
3X = 99 + -15.5

Combine like terms: 99 + -15.5 = 83.5
3X = 83.5

Divide each side by '3'.
X = 27.83333333

Simplifying
X = 27.83333333

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