X-2=78

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Solution for X-2=78 equation: 


Simplifying
X + -2 = 78

Reorder the terms:
-2 + X = 78

Solving
-2 + X = 78

Solving for variable 'X'.

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

Add '2' to each side of the equation.
-2 + 2 + X = 78 + 2

Combine like terms: -2 + 2 = 0
0 + X = 78 + 2
X = 78 + 2

Combine like terms: 78 + 2 = 80
X = 80

Simplifying
X = 80

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