12y+18-9y+12=3

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Solution for 12y+18-9y+12=3 equation:


Simplifying
12y + 18 + -9y + 12 = 3

Reorder the terms:
18 + 12 + 12y + -9y = 3

Combine like terms: 18 + 12 = 30
30 + 12y + -9y = 3

Combine like terms: 12y + -9y = 3y
30 + 3y = 3

Solving
30 + 3y = 3

Solving for variable 'y'.

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

Add '-30' to each side of the equation.
30 + -30 + 3y = 3 + -30

Combine like terms: 30 + -30 = 0
0 + 3y = 3 + -30
3y = 3 + -30

Combine like terms: 3 + -30 = -27
3y = -27

Divide each side by '3'.
y = -9

Simplifying
y = -9

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