Question 92974
{{{2^(x+2) - 2^x = 48}}}
{{{4*2^x - 2^x = 48}}}
{{{(4-1)2^x = 48}}}
{{{3*2^x = 48}}}
{{{2^x = 16}}}
{{{2^x = 2^4}}}
{{{x = 4}}}