[8y+4]=2[y-1]

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Solution for [8y+4]=2[y-1] equation:


Simplifying
[8y + 4] = 2[y + -1]

Reorder the terms:
[4 + 8y] = 2[y + -1]

Remove brackets around [4 + 8y]
4 + 8y = 2[y + -1]

Reorder the terms:
4 + 8y = 2[-1 + y]
4 + 8y = [-1 * 2 + y * 2]
4 + 8y = [-2 + 2y]

Solving
4 + 8y = -2 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
4 + 8y + -2y = -2 + 2y + -2y

Combine like terms: 8y + -2y = 6y
4 + 6y = -2 + 2y + -2y

Combine like terms: 2y + -2y = 0
4 + 6y = -2 + 0
4 + 6y = -2

Add '-4' to each side of the equation.
4 + -4 + 6y = -2 + -4

Combine like terms: 4 + -4 = 0
0 + 6y = -2 + -4
6y = -2 + -4

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

Divide each side by '6'.
y = -1

Simplifying
y = -1

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