4 + 8 ( 3r - 2 ) - 7r

1 answer

To simplify the expression 4 + 8(3r - 2) - 7r, we need to first apply the distributive property to the multiplication:

8(3r - 2) = 24r - 16

Now, substitute this expression back into the original expression:

4 + 24r - 16 - 7r

Combine like terms:

(24r - 7r) + (4 - 16)

17r - 12