-6-9+4f-7f=

Solution for -6-9+4f-7f= equation:

Simplifying
-6 + -9 + 4f + -7f = 0

Combine like terms: -6 + -9 = -15
-15 + 4f + -7f = 0

Combine like terms: 4f + -7f = -3f
-15 + -3f = 0

Solving
-15 + -3f = 0

Solving for variable 'f'.

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

Add '15' to each side of the equation.
-15 + 15 + -3f = 0 + 15

Combine like terms: -15 + 15 = 0
0 + -3f = 0 + 15
-3f = 0 + 15

Combine like terms: 0 + 15 = 15
-3f = 15

Divide each side by '-3'.
f = -5

Simplifying
f = -5