X-81=-77

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Solution for X-81=-77 equation: 


Simplifying
X + -81 = -77

Reorder the terms:
-81 + X = -77

Solving
-81 + X = -77

Solving for variable 'X'.

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

Add '81' to each side of the equation.
-81 + 81 + X = -77 + 81

Combine like terms: -81 + 81 = 0
0 + X = -77 + 81
X = -77 + 81

Combine like terms: -77 + 81 = 4
X = 4

Simplifying
X = 4

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