5y+9=12+3y

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Solution for 5y+9=12+3y equation:


Simplifying
5y + 9 = 12 + 3y

Reorder the terms:
9 + 5y = 12 + 3y

Solving
9 + 5y = 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.
9 + 5y + -3y = 12 + 3y + -3y

Combine like terms: 5y + -3y = 2y
9 + 2y = 12 + 3y + -3y

Combine like terms: 3y + -3y = 0
9 + 2y = 12 + 0
9 + 2y = 12

Add '-9' to each side of the equation.
9 + -9 + 2y = 12 + -9

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

Combine like terms: 12 + -9 = 3
2y = 3

Divide each side by '2'.
y = 1.5

Simplifying
y = 1.5

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