What is the answer?

3x - 4y when x = 9.8 and y = 82. I don't know how to solve it please help!

3 answers

Substitute the numbers for the letters.

(3 * 9.8) - (4 * 82) = ?
Wasn't there an answe already here? Ms. Sue, why did you delete this person's answer? This person was helping you!
I deleted a wrong answer.