Let i® = r**2 - 20*r + 1. Let f be i(20). Solve -o - f = -0 for o.

-1

Let u be (-3)/(1*(-2)/2). Suppose -z + u = -0*z. Solve -1 + 10 = z*s for s.

3

Suppose -3*o + 20 = 2*m, 4*m - 3*o = o. Let l be m/(-10) + (-36)/10. Let n be (2/l)/(1/(-6)). Solve -2*y - n*y - 25 = 0 for y.

-5

Suppose 18 = d - 5*w, -24 - 47 = -3*d - 2*w. Solve -28*q + d*q = -25 for q.

5

Let z be -1-3(-1)/(-1). Let i be (1/(1*4))/(20⁄80). Solve z - i = f for f.

2

Let s = 44 - 42. Solve 0 = -3*n - 1 - s for n.

-1

Suppose 2*i - 5*i - 60 = 0. Suppose -2*d = -5 - 61. Let f = d + i. Solve 5*b + 7 + f = 0 for b.

-4

Suppose -3*v - 3*s = -9, -4 = -4*v + 3*s + s. Solve v*a + 1 = -7 for a.

-4

Let z(q) be the first derivative of q3⁄3 + 5*q2⁄2 - 2*q - 3. Let o be z(-6). Solve 0 = 3*d - 5*d + o for d.

2

Let g(u) = u3 - 8*u2 - 8*u - 9. Let x be g(9). Solve x = -5*t - 0 + 5 for t.

1