Question

Please help if you could. f/2 + 9 = 4 -9 -9 f/2 =

Answer 1

Answer:

$\frac{f}{2} +9=4$

Subtract 9 from both sides:

$\frac{f}{2}+9-9=4-9$

$\frac{f}{2} =-5$

Multiply both sides by 2:

$2*\frac{f}{2} =-5*2$

$f=-10$