Question 462788


{{{(4p-7)^(1/2)=5}}}

{{{sqrt((4p-7))=5}}}

{{{(sqrt((4p-7)))^2=5^2}}}

{{{4p-7=25}}}

{{{4p=25+7}}}

{{{4p=32}}}

{{{p=32/4}}}

{{{p=8}}}