Question

resolva as inequaçoes a seguir:
a)8x-10>2x+8
b)2x+5<-3x+40

Answer 1

Resposta:

a)

$8x - 10 > 2x + 8 \\ 8x - 2x > 8 + 10 \\ 6x > 18 \\ x > \frac{18}{6} \\ x > 3$

b)

$2x + 5 < - 3x+ 40 \\ 2x + 3x < 40 - 5 \\ 5x < 35 \\ x < \frac{35}{5} \\ x < 7$

Bons estudos!