3(2y-4)=9

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


Simplifying
3(2y + -4) = 9

Reorder the terms:
3(-4 + 2y) = 9
(-4 * 3 + 2y * 3) = 9
(-12 + 6y) = 9

Solving
-12 + 6y = 9

Solving for variable 'y'.

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

Add '12' to each side of the equation.
-12 + 12 + 6y = 9 + 12

Combine like terms: -12 + 12 = 0
0 + 6y = 9 + 12
6y = 9 + 12

Combine like terms: 9 + 12 = 21
6y = 21

Divide each side by '6'.
y = 3.5

Simplifying
y = 3.5

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