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

asked Feb 13, 2017 65.8k views

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Answer:

Explanation:

Azbuky answered Feb 15, 2017

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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

Hamza AZIZ answered Feb 17, 2017

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