Question

Which expression is equivalent to 8a + 20?



4(2a + 20)

4(2a + 5)

4(4a + 16)

4(4a + 5)

Answer 1

To determine the expression that is equivalent to 8a + 20, all you have to do is find the common denominator and divide the values by it.

8a + 20
8a/4 + 20/4
4(2a + 5).

The correct solution would cue the second option - 4(2a + 5).

Answer 2

Answer: 4(2a + 5)

i took the test ;)

I hope this helps!