Question

1. $\frac{c}{-4} = -10$

Explanation:

Step1: Isolate variable $c$

Multiply both sides by $-4$.
$$\frac{c}{-4} \times (-4) = 10 \times (-4)$$

Step2: Simplify to solve for $c$

Calculate the product on the right.
$$c = -40$$

Answer:

$c = -40$