X+Y=140

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Solution for X+Y=140 equation: 


Simplifying
X + Y = 140

Solving
X + Y = 140

Solving for variable 'X'.

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

Add '-1Y' to each side of the equation.
X + Y + -1Y = 140 + -1Y

Combine like terms: Y + -1Y = 0
X + 0 = 140 + -1Y
X = 140 + -1Y

Simplifying
X = 140 + -1Y

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