zailaroldan zailaroldan

14-11-2017
Mathematics

contestada

Solve x+3<1 or -7x+8<-20

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bayjo98241 bayjo98241

14-11-2017

x + 3 < 1
x < -2

-7x + 8 < -20
-7x < 28 (sign flips when dividing/multiplying by a negative)
x > 4

x>4 or x<-2

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