100+Y+9=139

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Solution for 100+Y+9=139 equation: 


Simplifying
100 + Y + 9 = 139

Reorder the terms:
100 + 9 + Y = 139

Combine like terms: 100 + 9 = 109
109 + Y = 139

Solving
109 + Y = 139

Solving for variable 'Y'.

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

Add '-109' to each side of the equation.
109 + -109 + Y = 139 + -109

Combine like terms: 109 + -109 = 0
0 + Y = 139 + -109
Y = 139 + -109

Combine like terms: 139 + -109 = 30
Y = 30

Simplifying
Y = 30

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