3-4y-9+7y=

Solution for 3-4y-9+7y= equation:

Simplifying
3 + -4y + -9 + 7y = 0

Reorder the terms:
3 + -9 + -4y + 7y = 0

Combine like terms: 3 + -9 = -6
-6 + -4y + 7y = 0

Combine like terms: -4y + 7y = 3y
-6 + 3y = 0

Solving
-6 + 3y = 0

Solving for variable 'y'.

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

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