15=-15-8y

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Solution for 15=-15-8y equation:


Simplifying
15 = -15 + -8y

Solving
15 = -15 + -8y

Solving for variable 'y'.

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

Add '8y' to each side of the equation.
15 + 8y = -15 + -8y + 8y

Combine like terms: -8y + 8y = 0
15 + 8y = -15 + 0
15 + 8y = -15

Add '-15' to each side of the equation.
15 + -15 + 8y = -15 + -15

Combine like terms: 15 + -15 = 0
0 + 8y = -15 + -15
8y = -15 + -15

Combine like terms: -15 + -15 = -30
8y = -30

Divide each side by '8'.
y = -3.75

Simplifying
y = -3.75

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