4y+28=8(y-1)

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Solution for 4y+28=8(y-1) equation:


Simplifying
4y + 28 = 8(y + -1)

Reorder the terms:
28 + 4y = 8(y + -1)

Reorder the terms:
28 + 4y = 8(-1 + y)
28 + 4y = (-1 * 8 + y * 8)
28 + 4y = (-8 + 8y)

Solving
28 + 4y = -8 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
28 + 4y + -8y = -8 + 8y + -8y

Combine like terms: 4y + -8y = -4y
28 + -4y = -8 + 8y + -8y

Combine like terms: 8y + -8y = 0
28 + -4y = -8 + 0
28 + -4y = -8

Add '-28' to each side of the equation.
28 + -28 + -4y = -8 + -28

Combine like terms: 28 + -28 = 0
0 + -4y = -8 + -28
-4y = -8 + -28

Combine like terms: -8 + -28 = -36
-4y = -36

Divide each side by '-4'.
y = 9

Simplifying
y = 9

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