Question 142499
The equation of any straight line, called a {{{linear}}} equation, can be written as: {{{y = mx + b}}}, where {{{m}}} is the {{{slope}}} of the line and {{{b}}} is the {{{y-intercept}}}.
so, you have:{{{y = 7 -2x }}}
{{{m=-2}}} and {{{b=7}}}