joonsiq
joonsiq
06-11-2020
Mathematics
contestada
solve the inequality of 2x + 5 _> 47
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HellOBuddies
HellOBuddies
06-11-2020
Answer.
[tex]2x + 5 > 47 \\ 2x > 47 - 5 \\ 2x > 42 \\ x > \frac{42}{2} \\ x > 21[/tex]
Domain . ( 21 , ∞ )
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loreal33
loreal33
06-11-2020
2x + 5 _> 47
Subtract 5 on both sides
2x _> 42
Divide the whole equation by 2. And since 2 isn’t a negative, the sign will stay the same
x _> 21
Hope it helped!
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