Question

Need help with algebra asap

Answer 1

$cx-4\ge7$
$cx-4+4\ge7+4$
$cx\ge11$

Since $c<0$, we can divide both sides by $c$. This reverses the direction of the inequality.

$\dfrac{cx}c\le\dfrac{11}c$
$x\le\dfrac{11}c$

Answer 2

the first one is the answer
x< 11/c