F(x) = 2 x - 5
15 = 2 x - 5
2 x - 5 = 15
2 x = 15 + 5
2 x = 20
x = 20 / 2
x = 10
hope this helps!
Lol i need easy math too !!!
Answer:

Step-by-step explanation:
We have the two functions:

And we want to find:

This is equivalent to:

Therefore, we will have:

By substitution:

Simplify. Square and distribute:

Rearrange:

Combine like terms:

Answer:
A number cube is rolled and a spinner is spun.
Two cards are randomly chosen from a standard deck.
Two pairs of socks are randomly chosen from a drawer.
A card is randomly chosen from a standard deck and a dart is randomly thrown.
Explanation:
The two events taking place in all of these answers can happen seperately and still hold the same probability.
Answer:
49?
Step-by-step explanation: