9y+8=3y-4

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


Simplifying
9y + 8 = 3y + -4

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

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

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

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

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

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

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

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

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

Simplifying
y = -2

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