Question

There is a number that is 8 less than the sum of 20 + 12. Find the number.

Let n = the number.

Answer 1

Let n = number
How do you express 8 less that something? it's something minus 8
8 less than the sum of 20 + 12 = 20 + 12 - 8
n = 20 + 12 - 8
Do the operations on the right side to get n.