-4(3y+4)-15=-9(y+5+3y)

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Solution for -4(3y+4)-15=-9(y+5+3y) equation:


Simplifying
-4(3y + 4) + -15 = -9(y + 5 + 3y)

Reorder the terms:
-4(4 + 3y) + -15 = -9(y + 5 + 3y)
(4 * -4 + 3y * -4) + -15 = -9(y + 5 + 3y)
(-16 + -12y) + -15 = -9(y + 5 + 3y)

Reorder the terms:
-16 + -15 + -12y = -9(y + 5 + 3y)

Combine like terms: -16 + -15 = -31
-31 + -12y = -9(y + 5 + 3y)

Reorder the terms:
-31 + -12y = -9(5 + y + 3y)

Combine like terms: y + 3y = 4y
-31 + -12y = -9(5 + 4y)
-31 + -12y = (5 * -9 + 4y * -9)
-31 + -12y = (-45 + -36y)

Solving
-31 + -12y = -45 + -36y

Solving for variable 'y'.

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

Add '36y' to each side of the equation.
-31 + -12y + 36y = -45 + -36y + 36y

Combine like terms: -12y + 36y = 24y
-31 + 24y = -45 + -36y + 36y

Combine like terms: -36y + 36y = 0
-31 + 24y = -45 + 0
-31 + 24y = -45

Add '31' to each side of the equation.
-31 + 31 + 24y = -45 + 31

Combine like terms: -31 + 31 = 0
0 + 24y = -45 + 31
24y = -45 + 31

Combine like terms: -45 + 31 = -14
24y = -14

Divide each side by '24'.
y = -0.5833333333

Simplifying
y = -0.5833333333

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