-2y-9=6+y

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


Simplifying
-2y + -9 = 6 + y

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

Solving
-9 + -2y = 6 + y

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 + -2y + -1y = 6 + y + -1y

Combine like terms: -2y + -1y = -3y
-9 + -3y = 6 + y + -1y

Combine like terms: y + -1y = 0
-9 + -3y = 6 + 0
-9 + -3y = 6

Add '9' to each side of the equation.
-9 + 9 + -3y = 6 + 9

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

Combine like terms: 6 + 9 = 15
-3y = 15

Divide each side by '-3'.
y = -5

Simplifying
y = -5

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