(13y-15)-(9+6y)=-3y

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Solution for (13y-15)-(9+6y)=-3y equation:


Simplifying
(13y + -15) + -1(9 + 6y) = -3y

Reorder the terms:
(-15 + 13y) + -1(9 + 6y) = -3y

Remove parenthesis around (-15 + 13y)
-15 + 13y + -1(9 + 6y) = -3y
-15 + 13y + (9 * -1 + 6y * -1) = -3y
-15 + 13y + (-9 + -6y) = -3y

Reorder the terms:
-15 + -9 + 13y + -6y = -3y

Combine like terms: -15 + -9 = -24
-24 + 13y + -6y = -3y

Combine like terms: 13y + -6y = 7y
-24 + 7y = -3y

Solving
-24 + 7y = -3y

Solving for variable 'y'.

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

Add '3y' to each side of the equation.
-24 + 7y + 3y = -3y + 3y

Combine like terms: 7y + 3y = 10y
-24 + 10y = -3y + 3y

Combine like terms: -3y + 3y = 0
-24 + 10y = 0

Add '24' to each side of the equation.
-24 + 24 + 10y = 0 + 24

Combine like terms: -24 + 24 = 0
0 + 10y = 0 + 24
10y = 0 + 24

Combine like terms: 0 + 24 = 24
10y = 24

Divide each side by '10'.
y = 2.4

Simplifying
y = 2.4

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