Mathematics, 23.10.2020 02:01 23rwilliamson
FIND THE ERROR Sierra solved the compound inequality - 3x + 7x-1<-5 or -3x + 7x – 1 > 11 as shown. What error did she make in
solving the inequality?
Step
Property
Step
Property
-3x + 7x-1(-5
Original inequality
-3x + 7X - 1 > 11
Original inequality
4X - 1(-5
Combine like terms.
-4X - 1 > 11
Combine like terms.
4XC-4
-4X > 12
Addition Property
Division Property
Addition Property
Division Property
XC-1
XC-3
Answers: 3
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FIND THE ERROR Sierra solved the compound inequality - 3x + 7x-1<-5 or -3x + 7x – 1 > 11 as sh...
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