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

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


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

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

Reorder the terms:
-9 + 8 + y + 8y = -3(y + 3)

Combine like terms: -9 + 8 = -1
-1 + y + 8y = -3(y + 3)

Combine like terms: y + 8y = 9y
-1 + 9y = -3(y + 3)

Reorder the terms:
-1 + 9y = -3(3 + y)
-1 + 9y = (3 * -3 + y * -3)
-1 + 9y = (-9 + -3y)

Solving
-1 + 9y = -9 + -3y

Solving for variable 'y'.

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

Add '3y' to each side of the equation.
-1 + 9y + 3y = -9 + -3y + 3y

Combine like terms: 9y + 3y = 12y
-1 + 12y = -9 + -3y + 3y

Combine like terms: -3y + 3y = 0
-1 + 12y = -9 + 0
-1 + 12y = -9

Add '1' to each side of the equation.
-1 + 1 + 12y = -9 + 1

Combine like terms: -1 + 1 = 0
0 + 12y = -9 + 1
12y = -9 + 1

Combine like terms: -9 + 1 = -8
12y = -8

Divide each side by '12'.
y = -0.6666666667

Simplifying
y = -0.6666666667

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