2(-2y-1)=4

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Solution for 2(-2y-1)=4 equation: 


Simplifying
2(-2y + -1) = 4

Reorder the terms:
2(-1 + -2y) = 4
(-1 * 2 + -2y * 2) = 4
(-2 + -4y) = 4

Solving
-2 + -4y = 4

Solving for variable 'y'.

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

Add '2' to each side of the equation.
-2 + 2 + -4y = 4 + 2

Combine like terms: -2 + 2 = 0
0 + -4y = 4 + 2
-4y = 4 + 2

Combine like terms: 4 + 2 = 6
-4y = 6

Divide each side by '-4'.
y = -1.5

Simplifying
y = -1.5

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