Question

solve for f. 7.82 = -1.6 + 3.14(f + 1) f =

Explanation:

Step1: Isolate the term with $f$

Add $1.6$ to both sides:
$7.82 + 1.6 = 3.14(f + 1)$
$9.42 = 3.14(f + 1)$

Step2: Divide to remove coefficient

Divide both sides by $3.14$:
$\frac{9.42}{3.14} = f + 1$
$3 = f + 1$

Step3: Solve for $f$

Subtract $1$ from both sides:
$f = 3 - 1$

Answer:

$2$