183k views
4 votes
7x-4d use x = 8 and d = have (simplify algebraic exression)

1 Answer

4 votes
7 * 8 - 4d = 8
56 - 8 = 4d
48 = 4d
d = 48 : 4 =
12
--------------------------
7 * 8 - 4 * 12 = 8
User RafaSashi
by
8.5k points