9(1.5+.5y)-4y=15

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Solution for 9(1.5+.5y)-4y=15 equation: 


Simplifying
9(1.5 + 0.5y) + -4y = 15
(1.5 * 9 + 0.5y * 9) + -4y = 15
(13.5 + 4.5y) + -4y = 15

Combine like terms: 4.5y + -4y = 0.5y
13.5 + 0.5y = 15

Solving
13.5 + 0.5y = 15

Solving for variable 'y'.

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

Add '-13.5' to each side of the equation.
13.5 + -13.5 + 0.5y = 15 + -13.5

Combine like terms: 13.5 + -13.5 = 0.0
0.0 + 0.5y = 15 + -13.5
0.5y = 15 + -13.5

Combine like terms: 15 + -13.5 = 1.5
0.5y = 1.5

Divide each side by '0.5'.
y = 3

Simplifying
y = 3

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