Question

2(3x+7)<-4x+8



20-(2x+5)<11+8
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Answer 1

Boa tarde!!!

$2(3x+7)<-4x+8\\6x+14<-4x+8\\6x+4x<8-14\\10x<-6\\x<- \frac{6}{10} \\\\simplificando\\x<-\frac{3}{5}$

$20-(2x+5)<11+8\\20-2x-5<11+8\\-2x<11+8-20+5\\-2x<4.(-1)\\x>-2$

Espero ter lhe ajudado!!! Bons estudos:)