3 years ago

Given h(x) - 2x + 9, find the value of x when h(x) - 21. A) 51 B) 12 C) 6 D) 30

Mathematics

1 answer:

Akimi4 [234]3 years ago

4 0

Answer:

C, 6!

Step-by-step explanation:

so h(x) is 21

21=2x+9

12=2x

x is 6

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