-11f+6-f+4+13f-9=

Solution for -11f+6-f+4+13f-9= equation:

Simplifying
-11f + 6 + -1f + 4 + 13f + -9 = 0

Reorder the terms:
6 + 4 + -9 + -11f + -1f + 13f = 0

Combine like terms: 6 + 4 = 10
10 + -9 + -11f + -1f + 13f = 0

Combine like terms: 10 + -9 = 1
1 + -11f + -1f + 13f = 0

Combine like terms: -11f + -1f = -12f
1 + -12f + 13f = 0

Combine like terms: -12f + 13f = 1f
1 + 1f = 0

Solving
1 + 1f = 0

Solving for variable 'f'.

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

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

Combine like terms: 1 + -1 = 0
0 + 1f = 0 + -1
1f = 0 + -1

Combine like terms: 0 + -1 = -1
1f = -1

Divide each side by '1'.
f = -1

Simplifying
f = -1