Объяснение:
a)
1) -2x+8=0
x=4
2) 2x-8=0
b)
1) 4x+100<0
4x<-100
x<-25
2) 5x+80<0
5x<-80
x<-16
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Verified answer
Объяснение:
a)
1) -2x+8=0
x=4
2) 2x-8=0
x=4
b)
1) 4x+100<0
4x<-100
x<-25
2) 5x+80<0
5x<-80
x<-16