9y+3(9-y)=6y-10(y+5)

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Solution for 9y+3(9-y)=6y-10(y+5) equation:


Simplifying
9y + 3(9 + -1y) = 6y + -10(y + 5)
9y + (9 * 3 + -1y * 3) = 6y + -10(y + 5)
9y + (27 + -3y) = 6y + -10(y + 5)

Reorder the terms:
27 + 9y + -3y = 6y + -10(y + 5)

Combine like terms: 9y + -3y = 6y
27 + 6y = 6y + -10(y + 5)

Reorder the terms:
27 + 6y = 6y + -10(5 + y)
27 + 6y = 6y + (5 * -10 + y * -10)
27 + 6y = 6y + (-50 + -10y)

Reorder the terms:
27 + 6y = -50 + 6y + -10y

Combine like terms: 6y + -10y = -4y
27 + 6y = -50 + -4y

Solving
27 + 6y = -50 + -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.
27 + 6y + 4y = -50 + -4y + 4y

Combine like terms: 6y + 4y = 10y
27 + 10y = -50 + -4y + 4y

Combine like terms: -4y + 4y = 0
27 + 10y = -50 + 0
27 + 10y = -50

Add '-27' to each side of the equation.
27 + -27 + 10y = -50 + -27

Combine like terms: 27 + -27 = 0
0 + 10y = -50 + -27
10y = -50 + -27

Combine like terms: -50 + -27 = -77
10y = -77

Divide each side by '10'.
y = -7.7

Simplifying
y = -7.7

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