13=2-y

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Solution for 13=2-y equation:


Simplifying
13 = 2 + -1y

Solving
13 = 2 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
13 + y = 2 + -1y + y

Combine like terms: -1y + y = 0
13 + y = 2 + 0
13 + y = 2

Add '-13' to each side of the equation.
13 + -13 + y = 2 + -13

Combine like terms: 13 + -13 = 0
0 + y = 2 + -13
y = 2 + -13

Combine like terms: 2 + -13 = -11
y = -11

Simplifying
y = -11

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