Here is a number machine. input
x 5
-
3
output
a) Work out the output when the input is 8
(1)
b) Work out the input when the output is 42
(2)
16 points

a) 37

b) 9

Step-by-step explanation:

(The input) × 5 - 3 = (The output)

When the input is 8,

8 × 5 - 3

= 40 - 3

= 37

When the output is 42.

(The input) × 5 - 3 =42

(The input) × 5 = 42 + 3

(The input) × 5/5=45/5

(The input) = 9

The input was 9.

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lol we need to see what the question is asking about

step-by-step explanation: