How do you simplify -9(y-7) ?

1 Answer
Jun 5, 2016

Use the distributive property to get -9y +63 .

Explanation:

The distributive property means the you can change a(b+c) into ab + bc.

In your problem, that means you can multiple -9y by each y and -7 and add them together.

-9 * y = -9y and -9 * -7 = 63

So, the simplified answer is -9y + 63