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aivan3 [116]
4 years ago
6

Help me solve 1 <2n-5 <_7 also please explain

Mathematics
1 answer:
Naddik [55]4 years ago
7 0
I'm not sure if that is supposed to be 7 or -7 If it's -7: 1<2n-5<-7 +5 +5 +5 Add 5 to all parts of the inequality get 2n by itself 6<2n<-2 /2 /2 /2 Divide all parts by 2 to isolate the variable 3
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Pls help (pic above)
wel

Answer:

(7 + 5) + 1 = 12 + 1 = 13 \\ 7 + (5 + 1) = 7 + 6 = 13 \\ here \: we \: use \: assosiative \: \: property \\  of \: addition\\ option (b) \\ \: thank \: you

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I dont understand how to do this inequality 4x +6 &lt;-6
Mama L [17]
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First, subtract 6 from both sides. / Your problem should look like: 3x < -6 - 6
Second, simplify -6 - 6 to -12. / Your problem should look like: 3x < -12
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