Question 976937


if
{{{f(x) = 3x+5}}}
{{{g(x) = 2x-7}}}

then

{{{f(x)+g(x)=(3x+5)+( 2x-7)}}}
{{{f(x)+g(x)=3x+5+ 2x-7}}}
{{{f(x)+g(x)=5x-2}}}