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

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


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

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

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

Solving
-1 + -2y = -4 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
-1 + -2y + -4y = -4 + 4y + -4y

Combine like terms: -2y + -4y = -6y
-1 + -6y = -4 + 4y + -4y

Combine like terms: 4y + -4y = 0
-1 + -6y = -4 + 0
-1 + -6y = -4

Add '1' to each side of the equation.
-1 + 1 + -6y = -4 + 1

Combine like terms: -1 + 1 = 0
0 + -6y = -4 + 1
-6y = -4 + 1

Combine like terms: -4 + 1 = -3
-6y = -3

Divide each side by '-6'.
y = 0.5

Simplifying
y = 0.5

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