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3f + 1 = 16 help me! its a two step equation, will give brainlist if check

Sagot :

aexoii

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.

itsandypandy

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.

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