3(2y-4)+9=3y+12

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Solution for 3(2y-4)+9=3y+12 equation:


Simplifying
3(2y + -4) + 9 = 3y + 12

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

Reorder the terms:
-12 + 9 + 6y = 3y + 12

Combine like terms: -12 + 9 = -3
-3 + 6y = 3y + 12

Reorder the terms:
-3 + 6y = 12 + 3y

Solving
-3 + 6y = 12 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
-3 + 6y + -3y = 12 + 3y + -3y

Combine like terms: 6y + -3y = 3y
-3 + 3y = 12 + 3y + -3y

Combine like terms: 3y + -3y = 0
-3 + 3y = 12 + 0
-3 + 3y = 12

Add '3' to each side of the equation.
-3 + 3 + 3y = 12 + 3

Combine like terms: -3 + 3 = 0
0 + 3y = 12 + 3
3y = 12 + 3

Combine like terms: 12 + 3 = 15
3y = 15

Divide each side by '3'.
y = 5

Simplifying
y = 5

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