Question

Resolva a inequação:
a)5x-1 maior ou igual 9

Answer 1

5x-1>=9
5x>=9-1
5x>=8
x>=8/5

Answer 2

$5x-1 \geq 9\\ 5x \geq 9+1\\ 5x \geq 10\\ x\geq \frac{10}{5}\\ x \geq 2$