Question

Suppose y varies directly with x. If x is -7 when y is 3, what is x when y is -5?

Answer 1

Explanation:

Answer 2

y
`\alpha x`
y=bx
Where b is a constant of proportionality;
3=-7b
b=-3/7

The equation then is;
y=-3/7x
When y=-5
-5=-3/7x
x=-5*7/-3
x=35/3