Question

Resolva as Inequaçoes De 1° Grau Sendo U= Q a) 9+2×<5
b) 7.(×-3)>5.(×+2)

Answer 1

olá!!!
a)

9+2x<5

2x<5-9

2x<-4

x<-4/2

x<-2

b)

7(x-3)>5(x+2)

7x-21>5x+10

7x-5x>10+21

2x>31

x>31/2 ou 15 1/2

bons estudos!!!