Question

9 (x - 5) < - 4 (1-x)

Answer 1

propriedade distributiva :.

9x-45<-4+4x

9x-4x<45-4

5x<41

x<41/5

SOLUÇÃO => {x<41/5}

////////////\\\\\\\\//////////\\\\\\\\///////\\\\\\\\///////\\\\\\\\

boa noite!!

Answer 2

9.(x - 5) < - 4.(1 - x)
9x - 45 < - 4 + 4x
9x - 4x < - 4 + 45
5x < 41
x < 41/5

R.: {x E R / x < 41/5}