X+1=90

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Solution for X+1=90 equation: 


Simplifying
X + 1 = 90

Reorder the terms:
1 + X = 90

Solving
1 + X = 90

Solving for variable 'X'.

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

Add '-1' to each side of the equation.
1 + -1 + X = 90 + -1

Combine like terms: 1 + -1 = 0
0 + X = 90 + -1
X = 90 + -1

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

Simplifying
X = 89

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