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

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


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

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

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

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

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

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

Combine like terms: 2y + -9y = -7y
15 + -7y = 0

Solving
15 + -7y = 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 + -7y = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -7y = 0 + -15
-7y = 0 + -15

Combine like terms: 0 + -15 = -15
-7y = -15

Divide each side by '-7'.
y = 2.142857143

Simplifying
y = 2.142857143

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