-9(y+1)+4(4y-4)=6(y-4)+9

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Solution for -9(y+1)+4(4y-4)=6(y-4)+9 equation:


Simplifying
-9(y + 1) + 4(4y + -4) = 6(y + -4) + 9

Reorder the terms:
-9(1 + y) + 4(4y + -4) = 6(y + -4) + 9
(1 * -9 + y * -9) + 4(4y + -4) = 6(y + -4) + 9
(-9 + -9y) + 4(4y + -4) = 6(y + -4) + 9

Reorder the terms:
-9 + -9y + 4(-4 + 4y) = 6(y + -4) + 9
-9 + -9y + (-4 * 4 + 4y * 4) = 6(y + -4) + 9
-9 + -9y + (-16 + 16y) = 6(y + -4) + 9

Reorder the terms:
-9 + -16 + -9y + 16y = 6(y + -4) + 9

Combine like terms: -9 + -16 = -25
-25 + -9y + 16y = 6(y + -4) + 9

Combine like terms: -9y + 16y = 7y
-25 + 7y = 6(y + -4) + 9

Reorder the terms:
-25 + 7y = 6(-4 + y) + 9
-25 + 7y = (-4 * 6 + y * 6) + 9
-25 + 7y = (-24 + 6y) + 9

Reorder the terms:
-25 + 7y = -24 + 9 + 6y

Combine like terms: -24 + 9 = -15
-25 + 7y = -15 + 6y

Solving
-25 + 7y = -15 + 6y

Solving for variable 'y'.

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

Add '-6y' to each side of the equation.
-25 + 7y + -6y = -15 + 6y + -6y

Combine like terms: 7y + -6y = 1y
-25 + 1y = -15 + 6y + -6y

Combine like terms: 6y + -6y = 0
-25 + 1y = -15 + 0
-25 + 1y = -15

Add '25' to each side of the equation.
-25 + 25 + 1y = -15 + 25

Combine like terms: -25 + 25 = 0
0 + 1y = -15 + 25
1y = -15 + 25

Combine like terms: -15 + 25 = 10
1y = 10

Divide each side by '1'.
y = 10

Simplifying
y = 10

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