3y-.5(5y+15)=0

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Solution for 3y-.5(5y+15)=0 equation: 


Simplifying
3y + -0.5(5y + 15) = 0

Reorder the terms:
3y + -0.5(15 + 5y) = 0
3y + (15 * -0.5 + 5y * -0.5) = 0
3y + (-7.5 + -2.5y) = 0

Reorder the terms:
-7.5 + 3y + -2.5y = 0

Combine like terms: 3y + -2.5y = 0.5y
-7.5 + 0.5y = 0

Solving
-7.5 + 0.5y = 0

Solving for variable 'y'.

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

Add '7.5' to each side of the equation.
-7.5 + 7.5 + 0.5y = 0 + 7.5

Combine like terms: -7.5 + 7.5 = 0.0
0.0 + 0.5y = 0 + 7.5
0.5y = 0 + 7.5

Combine like terms: 0 + 7.5 = 7.5
0.5y = 7.5

Divide each side by '0.5'.
y = 15

Simplifying
y = 15

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