12-2y-2y=18

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Solution for 12-2y-2y=18 equation: 


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

Combine like terms: -2y + -2y = -4y
12 + -4y = 18

Solving
12 + -4y = 18

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 + -4y = 18 + -12

Combine like terms: 12 + -12 = 0
0 + -4y = 18 + -12
-4y = 18 + -12

Combine like terms: 18 + -12 = 6
-4y = 6

Divide each side by '-4'.
y = -1.5

Simplifying
y = -1.5

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