3*-8+y=-21

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Solution for 3*-8+y=-21 equation: 


Simplifying
3 * -8 + y = -21

Multiply 3 * -8
-24 + y = -21

Solving
-24 + y = -21

Solving for variable 'y'.

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

Add '24' to each side of the equation.
-24 + 24 + y = -21 + 24

Combine like terms: -24 + 24 = 0
0 + y = -21 + 24
y = -21 + 24

Combine like terms: -21 + 24 = 3
y = 3

Simplifying
y = 3

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