Question

Which expression is equivalent to (n + 12) x 5 + 7n?

12n+60
12n+12
5n+67
5n+12

Answer 1

(n + 12) x 5 +7n

So first you have to distribute the 5 in the parentheses.

(5)(n + 12) = 5n + 60

5n + 60 + 7n

Then add like terms.

12n + 60