-3y+9=-4(2y+4)

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Solution for -3y+9=-4(2y+4) equation:


Simplifying
-3y + 9 = -4(2y + 4)

Reorder the terms:
9 + -3y = -4(2y + 4)

Reorder the terms:
9 + -3y = -4(4 + 2y)
9 + -3y = (4 * -4 + 2y * -4)
9 + -3y = (-16 + -8y)

Solving
9 + -3y = -16 + -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.
9 + -3y + 8y = -16 + -8y + 8y

Combine like terms: -3y + 8y = 5y
9 + 5y = -16 + -8y + 8y

Combine like terms: -8y + 8y = 0
9 + 5y = -16 + 0
9 + 5y = -16

Add '-9' to each side of the equation.
9 + -9 + 5y = -16 + -9

Combine like terms: 9 + -9 = 0
0 + 5y = -16 + -9
5y = -16 + -9

Combine like terms: -16 + -9 = -25
5y = -25

Divide each side by '5'.
y = -5

Simplifying
y = -5

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