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23-09-2020
Mathematics

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It is known that 4 PLEASE HELP

It is known that 4 PLEASE HELP class=

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sqdancefan sqdancefan

23-09-2020

Answer:

4 < 2a -4 < 10

Step-by-step explanation:

You have an expression for 'a'. To get an expression for 2a-4, multiply it by 2 and subtract 4.

4 < a < 7

8 < 2a < 14 . . . . . . multiply by 2

4 < 2a -4 < 10 . . . subtract 4

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