Question 1087765
{{{ 4x - 3y = -12 }}}
{{{ 3y = 4x + 12 }}}
{{{ y = -(4/3)*x + 4 }}}
slope  = {{{ -(4/3) }}}
y-intercept = {{{ 4 }}}
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here's the plot:
{{{ graph( 400, 400, -10, 10, -10, 10, -(4/3)*x + 4 ) }}} 
Looks OK