3-9y-2+7y=

Solution for 3-9y-2+7y= equation:

Simplifying
3 + -9y + -2 + 7y = 0

Reorder the terms:
3 + -2 + -9y + 7y = 0

Combine like terms: 3 + -2 = 1
1 + -9y + 7y = 0

Combine like terms: -9y + 7y = -2y
1 + -2y = 0

Solving
1 + -2y = 0

Solving for variable 'y'.

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

Add '-1' to each side of the equation.
1 + -1 + -2y = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -2y = 0 + -1
-2y = 0 + -1

Combine like terms: 0 + -1 = -1
-2y = -1

Divide each side by '-2'.
y = 0.5

Simplifying
y = 0.5