Question

Which expression is equivalent to this expression? 4a + (–6b) – 3a + 2b: A. a + 4b B. a – 4b C. 7a – 8b D. 7a – 4b

Answer 1

 4a + (–6b) – 3a + 2b
= 4a - 6b - 3a + 2b
=a - 4b

answer
 B. a – 4b

Answer 2

Hello!

4a + -6b - 3a + 2b

You combine the like terms

4a - 3a = a
-6b + 2b = -4b

a - 4b

The answer is B) a - 4b

Hope this helps!