3(2)-9=3y

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Solution for 3(2)-9=3y equation:


Simplifying
3(2) + -9 = 3y

Multiply 3 * 2
6 + -9 = 3y

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

Solving
-3 = 3y

Solving for variable 'y'.

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

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

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

Add '3' to each side of the equation.
-3 + 3 + -3y = 0 + 3

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

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

Divide each side by '-3'.
y = -1

Simplifying
y = -1

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