189k views
18 votes
If x = 9 and y = -3, evaluate the following expression: = 6x - 8y ​

1 Answer

9 votes

Answer: 78

Explanation:

Step 1:

Substitute the variables in:

6(9) - 8(-3)

Step 2:

Multiply to get rid of the parentheses:

54 - -24 = 54 + 24 (the two negatives cancel out)

Step 3:

Add, and then you're done:

54 + 24 = 78

hope this helps :)

User Salyela
by
6.4k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.