Question

Solve & graph the solution set of $3x+6\ge 9$ and -5x > -15 $xϵR$

Answer 1

$3x+6\ge 9and-5x>-15$
$\Rightarrow 3x\ge 3\Rightarrow -x>-3$
$\Rightarrow x\ge 1\Rightarrow x<3$
Combining the solution
So the solutions is $x\in [1,3)$