15=-2(2y-1)

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Solution for 15=-2(2y-1) equation:


Simplifying
15 = -2(2y + -1)

Reorder the terms:
15 = -2(-1 + 2y)
15 = (-1 * -2 + 2y * -2)
15 = (2 + -4y)

Solving
15 = 2 + -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.
15 + 4y = 2 + -4y + 4y

Combine like terms: -4y + 4y = 0
15 + 4y = 2 + 0
15 + 4y = 2

Add '-15' to each side of the equation.
15 + -15 + 4y = 2 + -15

Combine like terms: 15 + -15 = 0
0 + 4y = 2 + -15
4y = 2 + -15

Combine like terms: 2 + -15 = -13
4y = -13

Divide each side by '4'.
y = -3.25

Simplifying
y = -3.25

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