-18.91-12.5f-6.9f=19.43-5.2f

Solution for -18.91-12.5f-6.9f=19.43-5.2f equation:

Simplifying
-18.91 + -12.5f + -6.9f = 19.43 + -5.2f

Combine like terms: -12.5f + -6.9f = -19.4f
-18.91 + -19.4f = 19.43 + -5.2f

Solving
-18.91 + -19.4f = 19.43 + -5.2f

Solving for variable 'f'.

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

Add '5.2f' to each side of the equation.
-18.91 + -19.4f + 5.2f = 19.43 + -5.2f + 5.2f

Combine like terms: -19.4f + 5.2f = -14.2f
-18.91 + -14.2f = 19.43 + -5.2f + 5.2f

Combine like terms: -5.2f + 5.2f = 0.0
-18.91 + -14.2f = 19.43 + 0.0
-18.91 + -14.2f = 19.43

Add '18.91' to each side of the equation.
-18.91 + 18.91 + -14.2f = 19.43 + 18.91

Combine like terms: -18.91 + 18.91 = 0.00
0.00 + -14.2f = 19.43 + 18.91
-14.2f = 19.43 + 18.91

Combine like terms: 19.43 + 18.91 = 38.34
-14.2f = 38.34

Divide each side by '-14.2'.
f = -2.7

Simplifying
f = -2.7