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Answer:
f is 5
Step-by-step explanation:
First, you take away 1 which is 15.
Now your left with 3f.
Divide 15 by 3, which is 5.
f is 5.
Answer:
f = 5
Step-by-step explanation:
⇒ [tex]3f = 15[/tex] [subtract 1 from both sides]
⇒ [tex]f = 5[/tex] [divide both sides by 3]
This is a weirder way to do it but:
You can use the linear formula to find x when
[tex]ax + b = 0[/tex]
The linear formula is
[tex]x = -\frac{b}{a}[/tex]
In this case x is f
⇒ [tex]3f - 15 = 0[/tex] [subtract by 16 to get = 0]
⇒ [tex]f = -\frac{-15}{3}[/tex]
⇒ [tex]f = 5[/tex]
Just use the first method tbh this one is pretty useless.