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

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


Simplifying
(9y + 9) + -1(5y + 6) = 0

Reorder the terms:
(9 + 9y) + -1(5y + 6) = 0

Remove parenthesis around (9 + 9y)
9 + 9y + -1(5y + 6) = 0

Reorder the terms:
9 + 9y + -1(6 + 5y) = 0
9 + 9y + (6 * -1 + 5y * -1) = 0
9 + 9y + (-6 + -5y) = 0

Reorder the terms:
9 + -6 + 9y + -5y = 0

Combine like terms: 9 + -6 = 3
3 + 9y + -5y = 0

Combine like terms: 9y + -5y = 4y
3 + 4y = 0

Solving
3 + 4y = 0

Solving for variable 'y'.

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

Add '-3' to each side of the equation.
3 + -3 + 4y = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 4y = 0 + -3
4y = 0 + -3

Combine like terms: 0 + -3 = -3
4y = -3

Divide each side by '4'.
y = -0.75

Simplifying
y = -0.75

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