-y-3=1

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Solution for -y-3=1 equation: 


Simplifying
-1y + -3 = 1

Reorder the terms:
-3 + -1y = 1

Solving
-3 + -1y = 1

Solving for variable 'y'.

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

Add '3' to each side of the equation.
-3 + 3 + -1y = 1 + 3

Combine like terms: -3 + 3 = 0
0 + -1y = 1 + 3
-1y = 1 + 3

Combine like terms: 1 + 3 = 4
-1y = 4

Divide each side by '-1'.
y = -4

Simplifying
y = -4

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