Register
11. If f(x) = 2x – 7, then for what value of x is f(x) = -4 3
399,992 views
4 votes
4 votes
11. If f(x) = 2x – 7, then for what value of x is f(x) = -4
3

User Andrei Nicusan
by
2.5k points

2 Answers

14 votes
14 votes
The answer is -15. The working is in the image.
User Mustafa Salih ASLIM
by
3.1k points
14 votes
14 votes
F(x) = 2x-7
F(x) = -4
So we know that F(x) and f(x) are equal to each other… so :
-4= 2x-7
3=2x
Divide by 2
X= 3/2
User SeriyPS
by
3.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers

Other Questions

Can anybody tell me what’s going on here?
Granola costs $1.76 per pound. Write and solve an equation to determine the number of pounds p of granola that can be purchased with $7.04. The equation is: The value of x is
Evalute 8a -1+0.5b when a =1/4 and b= 10 how dose this work i need help..
PLZ needed now plz URGENT!
HELP PLEASE, I NEED THE ANSWER QUICKLY
Link Copied!