x+89=90

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Solution for x+89=90 equation: 


Simplifying
x + 89 = 90

Reorder the terms:
89 + x = 90

Solving
89 + x = 90

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 = 90 + -89

Combine like terms: 89 + -89 = 0
0 + x = 90 + -89
x = 90 + -89

Combine like terms: 90 + -89 = 1
x = 1

Simplifying
x = 1

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