X+30+31=90

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Solution for X+30+31=90 equation: 


Simplifying
X + 30 + 31 = 90

Reorder the terms:
30 + 31 + X = 90

Combine like terms: 30 + 31 = 61
61 + X = 90

Solving
61 + X = 90

Solving for variable 'X'.

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

Add '-61' to each side of the equation.
61 + -61 + X = 90 + -61

Combine like terms: 61 + -61 = 0
0 + X = 90 + -61
X = 90 + -61

Combine like terms: 90 + -61 = 29
X = 29

Simplifying
X = 29

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