503+y=642

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Solution for 503+y=642 equation: 


Simplifying
503 + y = 642

Solving
503 + y = 642

Solving for variable 'y'.

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

Add '-503' to each side of the equation.
503 + -503 + y = 642 + -503

Combine like terms: 503 + -503 = 0
0 + y = 642 + -503
y = 642 + -503

Combine like terms: 642 + -503 = 139
y = 139

Simplifying
y = 139

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