Question

(2+3 la puterea 2 x 5 ): 47 = 3 la puterea 2 - 2 la puterea x

Answer 1

(2+3 ^2 x 5 ): 47 = 3^2 - 2 ^ x
(2+9x5):47=9-2^x
(2+45):47=9-2^x
47:47=9-2^x
1=9-2^x
2^x=9-1
2^x=8
x=3