3x - 50 = -20
Add 50 to both sides
3x = 30
x = 10
The number is 10
Answer:
<h2>f(x) = 4</h2>
Step-by-step explanation:
f(x) = 2x
When x = 2
Substitute the value of x into f(x)
That's
f(2) = 2(2)
= 4
Hope this helps you
To solve this question, what you would need to do is add 30 to both sides of the equation and then divide by 9, to find the solution.
You can check if it is correct by substituting the same value back into the original equation and seeing if the left hand side is equal to the right hand side.
Answer: The answer would be 15
Step-by-step explanation:
Hope this helps.
I think the answer is letter C