Question

Qual a resposta 50-10x >90 e urgente

Answer 1

50-10x > 90

-10x > 90-50

-10x > 40

x < -4

Resposta: x<-4

Answer 2

50 - 10x > 90

- 10x > 90 - 50

- 10x > 40 . (- 1)

10x < - 40

x < - 40/10

x < - 4

S = {x | x < - 4}