X-9+4=85

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Solution for X-9+4=85 equation: 


Simplifying
X + -9 + 4 = 85

Reorder the terms:
-9 + 4 + X = 85

Combine like terms: -9 + 4 = -5
-5 + X = 85

Solving
-5 + X = 85

Solving for variable 'X'.

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

Add '5' to each side of the equation.
-5 + 5 + X = 85 + 5

Combine like terms: -5 + 5 = 0
0 + X = 85 + 5
X = 85 + 5

Combine like terms: 85 + 5 = 90
X = 90

Simplifying
X = 90

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