X-4=85

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Solution for X-4=85 equation: 


Simplifying
X + -4 = 85

Reorder the terms:
-4 + X = 85

Solving
-4 + X = 85

Solving for variable 'X'.

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

Add '4' to each side of the equation.
-4 + 4 + X = 85 + 4

Combine like terms: -4 + 4 = 0
0 + X = 85 + 4
X = 85 + 4

Combine like terms: 85 + 4 = 89
X = 89

Simplifying
X = 89

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