X-3=81

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Solution for X-3=81 equation: 


Simplifying
X + -3 = 81

Reorder the terms:
-3 + X = 81

Solving
-3 + X = 81

Solving for variable 'X'.

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

Add '3' to each side of the equation.
-3 + 3 + X = 81 + 3

Combine like terms: -3 + 3 = 0
0 + X = 81 + 3
X = 81 + 3

Combine like terms: 81 + 3 = 84
X = 84

Simplifying
X = 84

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