3(1)-9=3y

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Solution for 3(1)-9=3y equation:


Simplifying
3(1) + -9 = 3y

Multiply 3 * 1
3 + -9 = 3y

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

Solving
-6 = 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.
-6 + -3y = 3y + -3y

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

Add '6' to each side of the equation.
-6 + 6 + -3y = 0 + 6

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

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

Divide each side by '-3'.
y = -2

Simplifying
y = -2

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