X-40=15

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Solution for X-40=15 equation: 


Simplifying
X + -40 = 15

Reorder the terms:
-40 + X = 15

Solving
-40 + X = 15

Solving for variable 'X'.

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

Add '40' to each side of the equation.
-40 + 40 + X = 15 + 40

Combine like terms: -40 + 40 = 0
0 + X = 15 + 40
X = 15 + 40

Combine like terms: 15 + 40 = 55
X = 55

Simplifying
X = 55

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