89+x=80

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Solution for 89+x=80 equation: 


Simplifying
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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