15-(-9(y-10))=-3y-(y-5)

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Solution for 15-(-9(y-10))=-3y-(y-5) equation:


Simplifying
15 + -1(-9(y + -10)) = -3y + -1(y + -5)

Reorder the terms:
15 + -1(-9(-10 + y)) = -3y + -1(y + -5)
15 + -1((-10 * -9 + y * -9)) = -3y + -1(y + -5)
15 + -1((90 + -9y)) = -3y + -1(y + -5)
15 + (90 * -1 + -9y * -1) = -3y + -1(y + -5)
15 + (-90 + 9y) = -3y + -1(y + -5)

Combine like terms: 15 + -90 = -75
-75 + 9y = -3y + -1(y + -5)

Reorder the terms:
-75 + 9y = -3y + -1(-5 + y)
-75 + 9y = -3y + (-5 * -1 + y * -1)
-75 + 9y = -3y + (5 + -1y)

Reorder the terms:
-75 + 9y = 5 + -3y + -1y

Combine like terms: -3y + -1y = -4y
-75 + 9y = 5 + -4y

Solving
-75 + 9y = 5 + -4y

Solving for variable 'y'.

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

Add '4y' to each side of the equation.
-75 + 9y + 4y = 5 + -4y + 4y

Combine like terms: 9y + 4y = 13y
-75 + 13y = 5 + -4y + 4y

Combine like terms: -4y + 4y = 0
-75 + 13y = 5 + 0
-75 + 13y = 5

Add '75' to each side of the equation.
-75 + 75 + 13y = 5 + 75

Combine like terms: -75 + 75 = 0
0 + 13y = 5 + 75
13y = 5 + 75

Combine like terms: 5 + 75 = 80
13y = 80

Divide each side by '13'.
y = 6.153846154

Simplifying
y = 6.153846154

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