15+3y=-6

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Solution for 15+3y=-6 equation: 


Simplifying
15 + 3y = -6

Solving
15 + 3y = -6

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 + 3y = -6 + -15

Combine like terms: 15 + -15 = 0
0 + 3y = -6 + -15
3y = -6 + -15

Combine like terms: -6 + -15 = -21
3y = -21

Divide each side by '3'.
y = -7

Simplifying
y = -7

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