Question

Which expression represents the phrase "three times the sum of a number and 4"?

o 3 (x + 4)
o 3x
4
- 3 (3.x +4)
-
O3х + 4

Answer 1

3(x+4)

Explanation:

unknown number = x

sum of a number and 4 = (x+4)

then the sum is multiplied by 3 so

3(x+4)

Also can be distributed out

3(x) + 3(4)

3x+12