Question

2^x-4+2^x+1=132......

Answer 1

$2^{x-4}+2^{x+1}=132 \\ \frac{1}{16} \cdot 2^x+2\cdot 2^x=132|\cdot 16 \\ 2^x+32\cdot 2^x=132\cdot 16 \\ 33\cdot 2^x=132\cdot 16 \\ 2^x=4\cdot 16 \\ 2^x=2^2\cdot 2^4 \\ x=6$