X+(2x+.15)+(x+.05)=18

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Solution for X+(2x+.15)+(x+.05)=18 equation:


Simplifying
X + (2x + 0.15) + (x + 0.05) = 18

Reorder the terms:
X + (0.15 + 2x) + (x + 0.05) = 18

Remove parenthesis around (0.15 + 2x)
X + 0.15 + 2x + (x + 0.05) = 18

Reorder the terms:
X + 0.15 + 2x + (0.05 + x) = 18

Remove parenthesis around (0.05 + x)
X + 0.15 + 2x + 0.05 + x = 18

Reorder the terms:
0.15 + 0.05 + X + 2x + x = 18

Combine like terms: 0.15 + 0.05 = 0.2
0.2 + X + 2x + x = 18

Combine like terms: 2x + x = 3x
0.2 + X + 3x = 18

Solving
0.2 + X + 3x = 18

Solving for variable 'X'.

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

Add '-0.2' to each side of the equation.
0.2 + X + -0.2 + 3x = 18 + -0.2

Reorder the terms:
0.2 + -0.2 + X + 3x = 18 + -0.2

Combine like terms: 0.2 + -0.2 = 0.0
0.0 + X + 3x = 18 + -0.2
X + 3x = 18 + -0.2

Combine like terms: 18 + -0.2 = 17.8
X + 3x = 17.8

Add '-3x' to each side of the equation.
X + 3x + -3x = 17.8 + -3x

Combine like terms: 3x + -3x = 0
X + 0 = 17.8 + -3x
X = 17.8 + -3x

Simplifying
X = 17.8 + -3x

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