X+89=80

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Solution for X+89=80 equation: 


Simplifying
X + 89 = 80

Reorder the terms:
89 + X = 80

Solving
89 + X = 80

Solving for variable 'X'.

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

Add '-89' to each side of the equation.
89 + -89 + X = 80 + -89

Combine like terms: 89 + -89 = 0
0 + X = 80 + -89
X = 80 + -89

Combine like terms: 80 + -89 = -9
X = -9

Simplifying
X = -9

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