cghillman40 cghillman40

12-09-2019
Mathematics

contestada

-7x<49
please help...dont understand flipping sign?

Respuesta :

thesonnydata thesonnydata

12-09-2019

Answer:

[tex]x > -7[/tex]

Step-by-step explanation:

1. Reverse the inequality by multiplying both sides by -1

-7x < 49

↓

-7x · -1 < 49 · -1

↓

7x > -49

2. Divide both sides by 7

7x ÷ 7 > -49 ÷ 7

↓

x > -7

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