-3y-9=6y+9

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Solution for -3y-9=6y+9 equation:


Simplifying
-3y + -9 = 6y + 9

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

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

Solving
-9 + -3y = 9 + 6y

Solving for variable 'y'.

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

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

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

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

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

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

Combine like terms: 9 + 9 = 18
-9y = 18

Divide each side by '-9'.
y = -2

Simplifying
y = -2

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