Question

Which expression is equivalent to 16a -18b + 20a

A.(16 + 20)a + 18b
B.(16 + 20)a - 18b
C.(16 - 20)a + 18b
D. 16a - (20a + 18b)

Answer 1

B) (16 + 20)a - 18b

16a and 20a are both positive and 18b is the only negative it’s easier to add the positive with each other then the negative and a positive then add other positive