f(x)=5x-4 find the value of x if f(x) 31
Answers
Answered by
4
Step-by-step explanation:
5x - 4 =31
5x=31+4
5x=35
x=35/5
x=7 Answer
Answered by
0
Answer:
Given:
f(x) = 5x - 4
f(x) = 31
.
Solution:
5x - 4 = 31
5x = 31 + 4
5x = 35
5x/5 = 35/5
x = 7
.
Check:
f(x) = 5x - 4
f(7) = 5(7) - 4
f(7) = 35 - 4
f(7) = 31
Correct!
.
Answer:
x = 7
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