9y+4=3y-8

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Solution for 9y+4=3y-8 equation:


Simplifying
9y + 4 = 3y + -8

Reorder the terms:
4 + 9y = 3y + -8

Reorder the terms:
4 + 9y = -8 + 3y

Solving
4 + 9y = -8 + 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.
4 + 9y + -3y = -8 + 3y + -3y

Combine like terms: 9y + -3y = 6y
4 + 6y = -8 + 3y + -3y

Combine like terms: 3y + -3y = 0
4 + 6y = -8 + 0
4 + 6y = -8

Add '-4' to each side of the equation.
4 + -4 + 6y = -8 + -4

Combine like terms: 4 + -4 = 0
0 + 6y = -8 + -4
6y = -8 + -4

Combine like terms: -8 + -4 = -12
6y = -12

Divide each side by '6'.
y = -2

Simplifying
y = -2

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