.75(20+6y)-.5(18-9y)=

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Solution for .75(20+6y)-.5(18-9y)= equation:


Simplifying
0.75(20 + 6y) + -0.5(18 + -9y) = 0
(20 * 0.75 + 6y * 0.75) + -0.5(18 + -9y) = 0
(15 + 4.5y) + -0.5(18 + -9y) = 0
15 + 4.5y + (18 * -0.5 + -9y * -0.5) = 0
15 + 4.5y + (-9 + 4.5y) = 0

Reorder the terms:
15 + -9 + 4.5y + 4.5y = 0

Combine like terms: 15 + -9 = 6
6 + 4.5y + 4.5y = 0

Combine like terms: 4.5y + 4.5y = 9y
6 + 9y = 0

Solving
6 + 9y = 0

Solving for variable 'y'.

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

Add '-6' to each side of the equation.
6 + -6 + 9y = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 9y = 0 + -6
9y = 0 + -6

Combine like terms: 0 + -6 = -6
9y = -6

Divide each side by '9'.
y = -0.6666666667

Simplifying
y = -0.6666666667

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