21+y=-13

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Solution for 21+y=-13 equation: 


Simplifying
21 + y = -13

Solving
21 + y = -13

Solving for variable 'y'.

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

Add '-21' to each side of the equation.
21 + -21 + y = -13 + -21

Combine like terms: 21 + -21 = 0
0 + y = -13 + -21
y = -13 + -21

Combine like terms: -13 + -21 = -34
y = -34

Simplifying
y = -34

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