2[2y-1]=y-4

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Solution for 2[2y-1]=y-4 equation:


Simplifying
2[2y + -1] = y + -4

Reorder the terms:
2[-1 + 2y] = y + -4
[-1 * 2 + 2y * 2] = y + -4
[-2 + 4y] = y + -4

Reorder the terms:
-2 + 4y = -4 + y

Solving
-2 + 4y = -4 + y

Solving for variable 'y'.

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

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

Combine like terms: 4y + -1y = 3y
-2 + 3y = -4 + y + -1y

Combine like terms: y + -1y = 0
-2 + 3y = -4 + 0
-2 + 3y = -4

Add '2' to each side of the equation.
-2 + 2 + 3y = -4 + 2

Combine like terms: -2 + 2 = 0
0 + 3y = -4 + 2
3y = -4 + 2

Combine like terms: -4 + 2 = -2
3y = -2

Divide each side by '3'.
y = -0.6666666667

Simplifying
y = -0.6666666667

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