<u>Answer</u>:
c = 9
<u>Explanation</u>:
given: f(x)=3x-7
<em>if f(c) =20</em>
To solve this replace x with c and then y is 20.
<u>Solve</u>:
3c - 7 = 20
3c = 27
c = 27 ÷ 3
c = 9
Answer:
Step-by-step explanation:
a) 3 x 5
b) 15 Celcius
Answer:15/2
Step-by-step explanation:
Answer:2x-5
Step-by-step explanation: