Michigan State University - Diagnostic Exam

1.6

  •   Which of the following is equivalent to 3(x + a) - 2(x - a)?

    a) x + a b) x - 5a c) 5x + a
       
    d) x + 5a e) 5x + 5a

Solution:
3(x + a) - 2(x - a) = 3x + 3a - 2x + 2a =  x + 5a

Diagnostic:
If you miss this question please review simplifying expressions.


July 15, 2008