Question on: JAMB Mathematics - 2009
If 55x + 52x = 7710, find x.
A
5
B
6
C
7
D
10
Ask EduPadi AI for a detailed answer
Correct Option: C
5 x X1 + 5 x XO + 5 x X1 + 2 x XO = 77
5X + 5 + 5X + 2 = 77
10X + 7 = 77
10X = 77 - 7
10X = 70
X = (\frac{70}{10})
= 7
Add your answer
Please share this, thanks!
No responses