78+y=80

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Solution for 78+y=80 equation: 


Simplifying
78 + y = 80

Solving
78 + y = 80

Solving for variable 'y'.

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

Add '-78' to each side of the equation.
78 + -78 + y = 80 + -78

Combine like terms: 78 + -78 = 0
0 + y = 80 + -78
y = 80 + -78

Combine like terms: 80 + -78 = 2
y = 2

Simplifying
y = 2

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