### Related

eq1:a1*x^2+b1*y^2+c1*...

eq2:a2*x^2+b2*y^2+c2*...

Calculate

solve(x=sqrt(x+30),x);

Calculate

solve([x=sqrt(x+1)+y]...

Calculate

a:R0^2*(1+t/ta)-2*D*R...

solve([a],t);

Calculate

Calculate

solve(x=sqrt(x+30),x);

Calculate

solve([R0^2*(1+t/ta)-...

Calculate

eq1:a1*x^2+b1*y^2+c1*...

eq2:a2*x^2+b2*y^2+c2*...

Calculate

Calculate

Calculate

Run Example
```(%i1)realonly:true;
(%o1)                                true
(%o2)                                true
(%i3) algsys([log(2*x/-7*x)/log(4) = 1/2], [x]);
(%o3)                                 []
(%i4) ```
Run Example
```solve (asin (cos (3*x))*(f(x) - 1), x);

solve: using arc-trig functions to get a solution.
Some solutions will be lost.
%pi
(%o1)                         [x = ---, f(x) = 1]
6
(%i2)  ev (solve (5^f(x) = 125, f(x)), solveradcan);
log(125)
(%o2)                          [f(x) = --------]
log(5)
(%i3)  [4*x^2 - y^2 = 12, x*y - x = 2];
2    2
(%o3)                    [4 x  - y  = 12, x y - x = 2]
(%i4)  solve (%, [x, y]);
(%o4)                                 []
(%i5)  solve (x^3 - 1);
sqrt(3) %i - 1        sqrt(3) %i + 1
(%o5)          [x = --------------, x = - --------------, x = 1]
2                     2
(%i6)  solve (x^6 - 1);
sqrt(3) %i + 1      sqrt(3) %i - 1                 sqrt(3) %i + 1
(%o6) [x = --------------, x = --------------, x = - 1, x = - --------------,
2                   2                              2
sqrt(3) %i - 1
x = - --------------, x = 1]
2
(%i7)  expand (%);
(%o7)              x^2 - 1;
solve (%, x);
2
(%o8)                               x  - 1
(%i9)  ev (%th(2), %[1]);
(%o9)                                 []
(%i10) ```
Run Example
```realonly:true;
(%o1)                                true