X+x+20=80

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Solution for X+x+20=80 equation:


Simplifying
X + x + 20 = 80

Reorder the terms:
20 + X + x = 80

Solving
20 + X + x = 80

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 + x = 80 + -20

Reorder the terms:
20 + -20 + X + x = 80 + -20

Combine like terms: 20 + -20 = 0
0 + X + x = 80 + -20
X + x = 80 + -20

Combine like terms: 80 + -20 = 60
X + x = 60

Add '-1x' to each side of the equation.
X + x + -1x = 60 + -1x

Combine like terms: x + -1x = 0
X + 0 = 60 + -1x
X = 60 + -1x

Simplifying
X = 60 + -1x

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