3(3y-4)-(2y+8)=

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Solution for 3(3y-4)-(2y+8)= equation:


Simplifying
3(3y + -4) + -1(2y + 8) = 0

Reorder the terms:
3(-4 + 3y) + -1(2y + 8) = 0
(-4 * 3 + 3y * 3) + -1(2y + 8) = 0
(-12 + 9y) + -1(2y + 8) = 0

Reorder the terms:
-12 + 9y + -1(8 + 2y) = 0
-12 + 9y + (8 * -1 + 2y * -1) = 0
-12 + 9y + (-8 + -2y) = 0

Reorder the terms:
-12 + -8 + 9y + -2y = 0

Combine like terms: -12 + -8 = -20
-20 + 9y + -2y = 0

Combine like terms: 9y + -2y = 7y
-20 + 7y = 0

Solving
-20 + 7y = 0

Solving for variable 'y'.

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

Add '20' to each side of the equation.
-20 + 20 + 7y = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 7y = 0 + 20
7y = 0 + 20

Combine like terms: 0 + 20 = 20
7y = 20

Divide each side by '7'.
y = 2.857142857

Simplifying
y = 2.857142857

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