10.6y-9.6y+3.9=-6.6+12

Solution for 10.6y-9.6y+3.9=-6.6+12 equation:

Simplifying
10.6y + -9.6y + 3.9 = -6.6 + 12

Reorder the terms:
3.9 + 10.6y + -9.6y = -6.6 + 12

Combine like terms: 10.6y + -9.6y = 1y
3.9 + 1y = -6.6 + 12

Combine like terms: -6.6 + 12 = 5.4
3.9 + 1y = 5.4

Solving
3.9 + 1y = 5.4

Solving for variable 'y'.

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

Add '-3.9' to each side of the equation.
3.9 + -3.9 + 1y = 5.4 + -3.9

Combine like terms: 3.9 + -3.9 = 0.0
0.0 + 1y = 5.4 + -3.9
1y = 5.4 + -3.9

Combine like terms: 5.4 + -3.9 = 1.5
1y = 1.5

Divide each side by '1'.
y = 1.5

Simplifying
y = 1.5