9=(7y-5)-(6y+3)

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Solution for 9=(7y-5)-(6y+3) equation:


Simplifying
9 = (7y + -5) + -1(6y + 3)

Reorder the terms:
9 = (-5 + 7y) + -1(6y + 3)

Remove parenthesis around (-5 + 7y)
9 = -5 + 7y + -1(6y + 3)

Reorder the terms:
9 = -5 + 7y + -1(3 + 6y)
9 = -5 + 7y + (3 * -1 + 6y * -1)
9 = -5 + 7y + (-3 + -6y)

Reorder the terms:
9 = -5 + -3 + 7y + -6y

Combine like terms: -5 + -3 = -8
9 = -8 + 7y + -6y

Combine like terms: 7y + -6y = 1y
9 = -8 + 1y

Solving
9 = -8 + 1y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
9 + -1y = -8 + 1y + -1y

Combine like terms: 1y + -1y = 0
9 + -1y = -8 + 0
9 + -1y = -8

Add '-9' to each side of the equation.
9 + -9 + -1y = -8 + -9

Combine like terms: 9 + -9 = 0
0 + -1y = -8 + -9
-1y = -8 + -9

Combine like terms: -8 + -9 = -17
-1y = -17

Divide each side by '-1'.
y = 17

Simplifying
y = 17

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