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Vanyuwa [196]
2 years ago
10

A function is shown below.

Mathematics
1 answer:
alexandr402 [8]2 years ago
3 0

Answer:

the answer is 4

Step-by-step explanation:

if y=21 the we substitute in the main equation

21=8x-11

8x=32

x=4

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3 years ago
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