X+x+x+20=180

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Solution for X+x+x+20=180 equation:


Simplifying
X + x + x + 20 = 180

Reorder the terms:
20 + X + x + x = 180

Combine like terms: x + x = 2x
20 + X + 2x = 180

Solving
20 + X + 2x = 180

Solving for variable 'X'.

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

Add '-20' to each side of the equation.
20 + X + -20 + 2x = 180 + -20

Reorder the terms:
20 + -20 + X + 2x = 180 + -20

Combine like terms: 20 + -20 = 0
0 + X + 2x = 180 + -20
X + 2x = 180 + -20

Combine like terms: 180 + -20 = 160
X + 2x = 160

Add '-2x' to each side of the equation.
X + 2x + -2x = 160 + -2x

Combine like terms: 2x + -2x = 0
X + 0 = 160 + -2x
X = 160 + -2x

Simplifying
X = 160 + -2x

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