(y-6)-(y+3)=8y

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Solution for (y-6)-(y+3)=8y equation:


Simplifying
(y + -6) + -1(y + 3) = 8y

Reorder the terms:
(-6 + y) + -1(y + 3) = 8y

Remove parenthesis around (-6 + y)
-6 + y + -1(y + 3) = 8y

Reorder the terms:
-6 + y + -1(3 + y) = 8y
-6 + y + (3 * -1 + y * -1) = 8y
-6 + y + (-3 + -1y) = 8y

Reorder the terms:
-6 + -3 + y + -1y = 8y

Combine like terms: -6 + -3 = -9
-9 + y + -1y = 8y

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

Solving
-9 = 8y

Solving for variable 'y'.

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

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

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

Add '9' to each side of the equation.
-9 + 9 + -8y = 0 + 9

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

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

Divide each side by '-8'.
y = -1.125

Simplifying
y = -1.125

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