X+20-40=140

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Solution for X+20-40=140 equation: 


Simplifying
X + 20 + -40 = 140

Reorder the terms:
20 + -40 + X = 140

Combine like terms: 20 + -40 = -20
-20 + X = 140

Solving
-20 + X = 140

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 + 20 + X = 140 + 20

Combine like terms: -20 + 20 = 0
0 + X = 140 + 20
X = 140 + 20

Combine like terms: 140 + 20 = 160
X = 160

Simplifying
X = 160

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