Question

9X
-
5"
7. Find the value of x in each
1 32+3=1
(iii) 22x+1 = 22x-1 + 12​

Answer 1

Step-by-step explanation:

(i)$1 \: can \: be \: written \: as \: {3}^{0} so \\ {3}^{2x + 3} = {3}^{0} \\ 2x + 3 = 0 \\ 2x = - 3 \\ x = \frac{ - 3}{2} \\ so \: x \: is \: equal \: to \: \frac{ - 3}{2}$

(ii)[tex]