-y-4=-15

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Solution for -y-4=-15 equation: 


Simplifying
-1y + -4 = -15

Reorder the terms:
-4 + -1y = -15

Solving
-4 + -1y = -15

Solving for variable 'y'.

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

Add '4' to each side of the equation.
-4 + 4 + -1y = -15 + 4

Combine like terms: -4 + 4 = 0
0 + -1y = -15 + 4
-1y = -15 + 4

Combine like terms: -15 + 4 = -11
-1y = -11

Divide each side by '-1'.
y = 11

Simplifying
y = 11

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