4-9+8y=-15

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Solution for 4-9+8y=-15 equation: 


Simplifying
4 + -9 + 8y = -15

Combine like terms: 4 + -9 = -5
-5 + 8y = -15

Solving
-5 + 8y = -15

Solving for variable 'y'.

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

Add '5' to each side of the equation.
-5 + 5 + 8y = -15 + 5

Combine like terms: -5 + 5 = 0
0 + 8y = -15 + 5
8y = -15 + 5

Combine like terms: -15 + 5 = -10
8y = -10

Divide each side by '8'.
y = -1.25

Simplifying
y = -1.25

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