5f+3-7f-9=

Solution for 5f+3-7f-9= equation:

Simplifying
5f + 3 + -7f + -9 = 0

Reorder the terms:
3 + -9 + 5f + -7f = 0

Combine like terms: 3 + -9 = -6
-6 + 5f + -7f = 0

Combine like terms: 5f + -7f = -2f
-6 + -2f = 0

Solving
-6 + -2f = 0

Solving for variable 'f'.

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

Add '6' to each side of the equation.
-6 + 6 + -2f = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -2f = 0 + 6
-2f = 0 + 6

Combine like terms: 0 + 6 = 6
-2f = 6

Divide each side by '-2'.
f = -3

Simplifying
f = -3