Question 1137687
{{{x = 3t}}}, 
{{{y = t + 7}}}

{{{x = 3t}}}...........solve for {{{t}}}

{{{x/3 = t}}}

go to {{{y = t + 7}}}, substitute {{{t}}}

{{{y = x/3 + 7}}}


from your choices: y = x divided by three + 7