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

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


Simplifying
3(3y + -9) + -4(5y + -5) + -4y = 0

Reorder the terms:
3(-9 + 3y) + -4(5y + -5) + -4y = 0
(-9 * 3 + 3y * 3) + -4(5y + -5) + -4y = 0
(-27 + 9y) + -4(5y + -5) + -4y = 0

Reorder the terms:
-27 + 9y + -4(-5 + 5y) + -4y = 0
-27 + 9y + (-5 * -4 + 5y * -4) + -4y = 0
-27 + 9y + (20 + -20y) + -4y = 0

Reorder the terms:
-27 + 20 + 9y + -20y + -4y = 0

Combine like terms: -27 + 20 = -7
-7 + 9y + -20y + -4y = 0

Combine like terms: 9y + -20y = -11y
-7 + -11y + -4y = 0

Combine like terms: -11y + -4y = -15y
-7 + -15y = 0

Solving
-7 + -15y = 0

Solving for variable 'y'.

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

Add '7' to each side of the equation.
-7 + 7 + -15y = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -15y = 0 + 7
-15y = 0 + 7

Combine like terms: 0 + 7 = 7
-15y = 7

Divide each side by '-15'.
y = -0.4666666667

Simplifying
y = -0.4666666667

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