Question

2^x+2^x+1+2^x+2+2^x+3=480

Answer 1

    2^x + 2^x+1 + 2^x+2 + 2^x+3 = 480
=> 2^x(1+2+2²+2³) = 480
=> 2^x . 15 = 480
=> 2^x = 32
=> 2^x = 2⁵
=> x = 5