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27-04-2021
Mathematics

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Which numbers could be a solution to the inequality? -6 < 3x+ 9 <21

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photola photola

27-04-2021

Step-by-step explanation:

-6-9<3x<21-9

-15<3x<12

1) -15<3x

-5<x

2) 3x<12

x<4

so the range of the solution is -5<x<4

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