
Deric D. answered 02/04/16
Tutor
New to Wyzant
Professional, Analytical and Creative Thinker Specializing in Math
Hi Seth.
0.04 - 0.03(200 - x) = 5.2
First, expand the multiplication then simplify and solve for x.
0.04 - 6 + 0.03x = 5.2
-5.96 + 0.03x = 5.2
0.03x = 5.2 + 5.96
0.03x = 11.16
x = 11.16/0.03
x = 372
Let's check our work:
0.04 - 0.03(200 - 372) = 5.2
0.04 - 0.03(-172) = 5.2
0.04 + 5.16 = 5.2
5.2 = 5.2 = TRUE