Question 892843
x, "a number".


{{{5x=49+2(-x)}}}, the exact translation of the description into an equation.


{{{5x=49-2x}}}
{{{5x+2x=49-2x+2x}}}
{{{7x=49+0}}}
{{{7x=49}}}
{{{7x(1/7)=49(1/7)}}}
{{{highlight(x=7)}}}