15-(-10(y-10))=4y-(y-5)

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Solution for 15-(-10(y-10))=4y-(y-5) equation:


Simplifying
15 + -1(-10(y + -10)) = 4y + -1(y + -5)

Reorder the terms:
15 + -1(-10(-10 + y)) = 4y + -1(y + -5)
15 + -1((-10 * -10 + y * -10)) = 4y + -1(y + -5)
15 + -1((100 + -10y)) = 4y + -1(y + -5)
15 + (100 * -1 + -10y * -1) = 4y + -1(y + -5)
15 + (-100 + 10y) = 4y + -1(y + -5)

Combine like terms: 15 + -100 = -85
-85 + 10y = 4y + -1(y + -5)

Reorder the terms:
-85 + 10y = 4y + -1(-5 + y)
-85 + 10y = 4y + (-5 * -1 + y * -1)
-85 + 10y = 4y + (5 + -1y)

Reorder the terms:
-85 + 10y = 5 + 4y + -1y

Combine like terms: 4y + -1y = 3y
-85 + 10y = 5 + 3y

Solving
-85 + 10y = 5 + 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.
-85 + 10y + -3y = 5 + 3y + -3y

Combine like terms: 10y + -3y = 7y
-85 + 7y = 5 + 3y + -3y

Combine like terms: 3y + -3y = 0
-85 + 7y = 5 + 0
-85 + 7y = 5

Add '85' to each side of the equation.
-85 + 85 + 7y = 5 + 85

Combine like terms: -85 + 85 = 0
0 + 7y = 5 + 85
7y = 5 + 85

Combine like terms: 5 + 85 = 90
7y = 90

Divide each side by '7'.
y = 12.85714286

Simplifying
y = 12.85714286

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