(6y+6)-(2y-9)=

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Solution for (6y+6)-(2y-9)= equation:


Simplifying
(6y + 6) + -1(2y + -9) = 0

Reorder the terms:
(6 + 6y) + -1(2y + -9) = 0

Remove parenthesis around (6 + 6y)
6 + 6y + -1(2y + -9) = 0

Reorder the terms:
6 + 6y + -1(-9 + 2y) = 0
6 + 6y + (-9 * -1 + 2y * -1) = 0
6 + 6y + (9 + -2y) = 0

Reorder the terms:
6 + 9 + 6y + -2y = 0

Combine like terms: 6 + 9 = 15
15 + 6y + -2y = 0

Combine like terms: 6y + -2y = 4y
15 + 4y = 0

Solving
15 + 4y = 0

Solving for variable 'y'.

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

Add '-15' to each side of the equation.
15 + -15 + 4y = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 4y = 0 + -15
4y = 0 + -15

Combine like terms: 0 + -15 = -15
4y = -15

Divide each side by '4'.
y = -3.75

Simplifying
y = -3.75

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