42+y=72

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Solution for 42+y=72 equation: 


Simplifying
42 + y = 72

Solving
42 + y = 72

Solving for variable 'y'.

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

Add '-42' to each side of the equation.
42 + -42 + y = 72 + -42

Combine like terms: 42 + -42 = 0
0 + y = 72 + -42
y = 72 + -42

Combine like terms: 72 + -42 = 30
y = 30

Simplifying
y = 30

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