9(2+-0.5y)+3y=12

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Solution for 9(2+-0.5y)+3y=12 equation:


Simplifying
9(2 + -0.5y) + 3y = 12
(2 * 9 + -0.5y * 9) + 3y = 12
(18 + -4.5y) + 3y = 12

Combine like terms: -4.5y + 3y = -1.5y
18 + -1.5y = 12

Solving
18 + -1.5y = 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 + -1.5y = 12 + -18

Combine like terms: 18 + -18 = 0
0 + -1.5y = 12 + -18
-1.5y = 12 + -18

Combine like terms: 12 + -18 = -6
-1.5y = -6

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

Simplifying
y = 4

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