<p>OK, here’s what I entered (and I think that’s what you meant):</p>
<p>solve(y=(2x-5)/3 and x^2+y^2-77=0,x)</p>
<p>And it just says “false” 
… what does that mean?</p>
<p>OK, here’s what I entered (and I think that’s what you meant):</p>
<p>solve(y=(2x-5)/3 and x^2+y^2-77=0,x)</p>
<p>And it just says “false” … what does that mean?</p>