Question

Which expression is equivalent to 7c +4 + 10c – 6?
15
15c
17c - 2

Answer 1

17c - 2

Explanation:

Firstly, add the normal numbers together:

7c + 4 + 10c - 6

4 - 6 = -2

7c + 10c - 2

Now, the two numbers with a c value can be added together:

7c + 10c = 17c

This returns the answer:

17c - 2

Hope this helps!