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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