6.4=-1.6+1.6y

Solution for 6.4=-1.6+1.6y equation:

Simplifying
6.4 = -1.6 + 1.6y

Solving
6.4 = -1.6 + 1.6y

Solving for variable 'y'.

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

Add '-1.6y' to each side of the equation.
6.4 + -1.6y = -1.6 + 1.6y + -1.6y

Combine like terms: 1.6y + -1.6y = 0.0
6.4 + -1.6y = -1.6 + 0.0
6.4 + -1.6y = -1.6

Add '-6.4' to each side of the equation.
6.4 + -6.4 + -1.6y = -1.6 + -6.4

Combine like terms: 6.4 + -6.4 = 0.0
0.0 + -1.6y = -1.6 + -6.4
-1.6y = -1.6 + -6.4

Combine like terms: -1.6 + -6.4 = -8
-1.6y = -8

Divide each side by '-1.6'.
y = 5

Simplifying
y = 5