y+4=-9(y-8)

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Solution for y+4=-9(y-8) equation:


Simplifying
y + 4 = -9(y + -8)

Reorder the terms:
4 + y = -9(y + -8)

Reorder the terms:
4 + y = -9(-8 + y)
4 + y = (-8 * -9 + y * -9)
4 + y = (72 + -9y)

Solving
4 + y = 72 + -9y

Solving for variable 'y'.

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

Add '9y' to each side of the equation.
4 + y + 9y = 72 + -9y + 9y

Combine like terms: y + 9y = 10y
4 + 10y = 72 + -9y + 9y

Combine like terms: -9y + 9y = 0
4 + 10y = 72 + 0
4 + 10y = 72

Add '-4' to each side of the equation.
4 + -4 + 10y = 72 + -4

Combine like terms: 4 + -4 = 0
0 + 10y = 72 + -4
10y = 72 + -4

Combine like terms: 72 + -4 = 68
10y = 68

Divide each side by '10'.
y = 6.8

Simplifying
y = 6.8

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