3y-4=-9y

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Solution for 3y-4=-9y equation:


Simplifying
3y + -4 = -9y

Reorder the terms:
-4 + 3y = -9y

Solving
-4 + 3y = -9y

Solving for variable 'y'.

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

Add '9y' to each side of the equation.
-4 + 3y + 9y = -9y + 9y

Combine like terms: 3y + 9y = 12y
-4 + 12y = -9y + 9y

Combine like terms: -9y + 9y = 0
-4 + 12y = 0

Add '4' to each side of the equation.
-4 + 4 + 12y = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 12y = 0 + 4
12y = 0 + 4

Combine like terms: 0 + 4 = 4
12y = 4

Divide each side by '12'.
y = 0.3333333333

Simplifying
y = 0.3333333333

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