Question 560945
Express in terms of {{{ y }}}
{{{ 7x + 3y = 21 }}}
Subtract {{{ 7x }}} from both sides
{{{ 3y = -7x + 21 }}}
Divide both sides by {{{ 3 }}}
{{{ y = -(7/3)*x + 7 }}}
Heres the plot:
{{{ graph( 400, 400, -10, 10, -10, 10, -(7/3)*x + 7 ) }}}