Question 1001986

The out put ({{{y}}}) of a function is {{{7}}} more than {{{3}}} times the input ({{{x}}}). 

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

Find the input when the output is {{{y=-8}}}:

{{{-8=3x+7}}}

{{{-8-7=3x}}}

{{{-15=3x}}}

{{{-15/3=x}}}

{{{-5=x}}}

the input is {{{-5}}}