Question

\(2^x\)+ \(2^{x+3}\)=144

Answer 1

2^x + 2^{x + 3} = 144

2^x . 1 + 2^x . 2³ = 144

2^x . (1 + 8) = 144

2^x . 9 = 144

2^x = 16 = 2⁴

=> x = 4