3-9+3y+18=2y-12

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Solution for 3-9+3y+18=2y-12 equation:


Simplifying
3 + -9 + 3y + 18 = 2y + -12

Reorder the terms:
3 + -9 + 18 + 3y = 2y + -12

Combine like terms: 3 + -9 = -6
-6 + 18 + 3y = 2y + -12

Combine like terms: -6 + 18 = 12
12 + 3y = 2y + -12

Reorder the terms:
12 + 3y = -12 + 2y

Solving
12 + 3y = -12 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
12 + 3y + -2y = -12 + 2y + -2y

Combine like terms: 3y + -2y = 1y
12 + 1y = -12 + 2y + -2y

Combine like terms: 2y + -2y = 0
12 + 1y = -12 + 0
12 + 1y = -12

Add '-12' to each side of the equation.
12 + -12 + 1y = -12 + -12

Combine like terms: 12 + -12 = 0
0 + 1y = -12 + -12
1y = -12 + -12

Combine like terms: -12 + -12 = -24
1y = -24

Divide each side by '1'.
y = -24

Simplifying
y = -24

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