2(9-y)=12

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


Simplifying
2(9 + -1y) = 12
(9 * 2 + -1y * 2) = 12
(18 + -2y) = 12

Solving
18 + -2y = 12

Solving for variable 'y'.

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

Add '-18' to each side of the equation.
18 + -18 + -2y = 12 + -18

Combine like terms: 18 + -18 = 0
0 + -2y = 12 + -18
-2y = 12 + -18

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

Divide each side by '-2'.
y = 3

Simplifying
y = 3

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