¥¦§¨©ª: Solve((2 * x) + 1 = (5 * x) - 2)
f: x^(2) + (2 * x) - 5
¥¦§¨©ª_{1}: Solve(f)
¥¦§¨©ª_{2}: Solve(1 / (((2 * a) * x)) + x / b = 1, x)