¥¦§¨©ª: Solve((5 * x) + 1 = 19 - x)
¥¦§¨©ª_{1}: Solve((a * x) + b = 0)
¥¦§¨©ª_{2}: Solve((a * x) + b = 0, a)
¥¦§¨©ª_{3}: Solve((2 * x^(2)) - (5 * x) = 2)
¥¦§¨©ª_{4}: Solve((2 * x) = (2 * x))
¥¦§¨©ª_{5}: Solve(1 = 2)