15-y=13

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Solution for 15-y=13 equation: 


Simplifying
15 + -1y = 13

Solving
15 + -1y = 13

Solving for variable 'y'.

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

Add '-15' to each side of the equation.
15 + -15 + -1y = 13 + -15

Combine like terms: 15 + -15 = 0
0 + -1y = 13 + -15
-1y = 13 + -15

Combine like terms: 13 + -15 = -2
-1y = -2

Divide each side by '-1'.
y = 2

Simplifying
y = 2

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