>> syms x y
>> [x,y]=solve('x+y=5','atan(y/x)+7=5*x')
x =
1.6244535398379722718155227031674
y =
3.3755464601620277281844772968326 >> syms x y
>> [x,y]=solve('x+y=5','atan(y/x)+7=5*x')
x =
1.6244535398379722718155227031674
y =
3.3755464601620277281844772968326