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

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


Simplifying
(Y + -6) + -1(y + 9) = 6

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

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

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

Reorder the terms:
-6 + -9 + Y + -1y = 6

Combine like terms: -6 + -9 = -15
-15 + Y + -1y = 6

Solving
-15 + Y + -1y = 6

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 + Y + 15 + -1y = 6 + 15

Reorder the terms:
-15 + 15 + Y + -1y = 6 + 15

Combine like terms: -15 + 15 = 0
0 + Y + -1y = 6 + 15
Y + -1y = 6 + 15

Combine like terms: 6 + 15 = 21
Y + -1y = 21

Add 'y' to each side of the equation.
Y + -1y + y = 21 + y

Combine like terms: -1y + y = 0
Y + 0 = 21 + y
Y = 21 + y

Simplifying
Y = 21 + y

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