48,002 views
22 votes
22 votes
Find the input (x) of the function y=5x-3 if the output (y) is 32

User Roubachof
by
2.8k points

2 Answers

25 votes
25 votes

Answer:

x = 7

Explanation:

Given

y = 5x - 3 ← equate 5x - 3 to 32

5x - 3 = 32 ( add 3 to both sides )

5x = 35 ( divide both sides by 5 )

x = 7 ← input

User Dave Snyder
by
2.6k points
26 votes
26 votes

Answer:

x=7

Explanation:

y=5x-3

y = 32

32 = 5x- 3

Add 3 to each side

32+3 = 5x-3+3

35 = 5x

Divide by 5

35/5 = 5x/5

7 =x

User Michael Van Gerwen
by
3.3k points