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26-11-2019
Mathematics

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Solve.
2x - 9> -7 or 7x + 5<-30

Solve 2x 9gt 7 or 7x 5lt30 class=

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Аноним Аноним

26-11-2019

2x - 9 > - 7

2x > - 7 + 9

2x > 2

x > 1

7x + 5 ≤ - 30

7x ≤ - 30 - 5

7x ≤ - 35

x ≤ - 5

x > 1 or x ≤ - 5 (B)

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