1.9-0.9n-8.5=1.8-7.8

Solution for 1.9-0.9n-8.5=1.8-7.8 equation:

Simplifying
1.9 + -0.9n + -8.5 = 1.8 + -7.8

Reorder the terms:
1.9 + -8.5 + -0.9n = 1.8 + -7.8

Combine like terms: 1.9 + -8.5 = -6.6
-6.6 + -0.9n = 1.8 + -7.8

Combine like terms: 1.8 + -7.8 = -6
-6.6 + -0.9n = -6

Solving
-6.6 + -0.9n = -6

Solving for variable 'n'.

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

Add '6.6' to each side of the equation.
-6.6 + 6.6 + -0.9n = -6 + 6.6

Combine like terms: -6.6 + 6.6 = 0.0
0.0 + -0.9n = -6 + 6.6
-0.9n = -6 + 6.6

Combine like terms: -6 + 6.6 = 0.6
-0.9n = 0.6

Divide each side by '-0.9'.
n = -0.6666666667

Simplifying
n = -0.6666666667