Question

ПОМОГИТЕ ПЖ, СРОЧНО
4^х+1+7*2^х-2=0

Answer 1

4:х+1+7*2:х-2=0 , х≠0
4/х +1+7*2/х -2=0
4/х+1+14/х-2=0
4/х-1+14/х=0
4/х+14/х=1
18/х=1
18=х
х=18, х≠0