30=12+9(0.33y-0.66)

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Solution for 30=12+9(0.33y-0.66) equation:


Simplifying
30 = 12 + 9(0.33y + -0.66)

Reorder the terms:
30 = 12 + 9(-0.66 + 0.33y)
30 = 12 + (-0.66 * 9 + 0.33y * 9)
30 = 12 + (-5.94 + 2.97y)

Combine like terms: 12 + -5.94 = 6.06
30 = 6.06 + 2.97y

Solving
30 = 6.06 + 2.97y

Solving for variable 'y'.

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

Add '-2.97y' to each side of the equation.
30 + -2.97y = 6.06 + 2.97y + -2.97y

Combine like terms: 2.97y + -2.97y = 0.00
30 + -2.97y = 6.06 + 0.00
30 + -2.97y = 6.06

Add '-30' to each side of the equation.
30 + -30 + -2.97y = 6.06 + -30

Combine like terms: 30 + -30 = 0
0 + -2.97y = 6.06 + -30
-2.97y = 6.06 + -30

Combine like terms: 6.06 + -30 = -23.94
-2.97y = -23.94

Divide each side by '-2.97'.
y = 8.060606061

Simplifying
y = 8.060606061

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