8y+4=7(y-1)

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Solution for 8y+4=7(y-1) equation:


Simplifying
8y + 4 = 7(y + -1)

Reorder the terms:
4 + 8y = 7(y + -1)

Reorder the terms:
4 + 8y = 7(-1 + y)
4 + 8y = (-1 * 7 + y * 7)
4 + 8y = (-7 + 7y)

Solving
4 + 8y = -7 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
4 + 8y + -7y = -7 + 7y + -7y

Combine like terms: 8y + -7y = 1y
4 + 1y = -7 + 7y + -7y

Combine like terms: 7y + -7y = 0
4 + 1y = -7 + 0
4 + 1y = -7

Add '-4' to each side of the equation.
4 + -4 + 1y = -7 + -4

Combine like terms: 4 + -4 = 0
0 + 1y = -7 + -4
1y = -7 + -4

Combine like terms: -7 + -4 = -11
1y = -11

Divide each side by '1'.
y = -11

Simplifying
y = -11

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