X+2(x)+0.5(x)=21

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Solution for X+2(x)+0.5(x)=21 equation: 


Simplifying
X + 2(x) + 0.5(x) = 21

Combine like terms: 2x + 0.5x = 2.5x
X + 2.5x = 21

Solving
X + 2.5x = 21

Solving for variable 'X'.

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

Add '-2.5x' to each side of the equation.
X + 2.5x + -2.5x = 21 + -2.5x

Combine like terms: 2.5x + -2.5x = 0.0
X + 0.0 = 21 + -2.5x
X = 21 + -2.5x

Simplifying
X = 21 + -2.5x

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