39.6k views
0 votes
Question 7 (2 points)

Given the function rule y = 3x + 11, what is the value of x if y = 57
Hint: Make sure you are substituting for the correct variable!

2 Answers

3 votes

Answer:

15.333

Explanation:

3x+11=57(y)

reverse the question

so:

57-11=46

46 divided by 3=15.333

so x=15.333

hope that helps

thank you

19NBoli

User Henrywright
by
5.0k points
5 votes

Explanation:

3x+11=57

subtract 11 from both sides and you will get this

3x=46

Divide by 3

42/3. 3/3

X=14

User Zevi
by
5.3k points