Let t(o) = 21*o**2 - 1. Let c be t(1). Let a be -2*3/(-6) + c. Let l = -15 + a. Solve l*r = r for r.

Let i = -3 - -4. Let d = i + 1. Solve -d*n + 4 = -n for n.

4

Suppose 0 = 3*r - 5*a + 24, -r - 3*a = -3*r - 16. Let c be (4/r)/(2/(-20)). Solve 0 = -j - 0*j + c for j.

5

Suppose o = -3*o + 24. Suppose -13*v + o = -11*v. Solve v*c = -2*c for c.

0

Suppose 10*d + 4 = 74. Solve -8 = 5*v + d for v.

-3

Let u = -73 + 73. Solve u*x = -5*x for x.

0

Let t© = c**2 + 4*c + 3. Let w be t(-6). Let y be ³³⁄₁₅ - (-2)/(-10). Let r = -2 + y. Solve r*s + 5*s = w for s.

3

Let t(i) = -3*i + 3. Let b be t(-3). Suppose -5*s + b = l, 3*l = -2 - 7. Solve s*z = 2*z + 2 for z.

2

Suppose 2*j - 12 = 22. Suppose 5*y = -4*x - 24 + 59, -y = -4*x + j. Solve 0 = n - 0*n - x for n.

5

Let d = 5 + -3. Suppose 0*i + 2*i = d. Let w be (-1)/(i - (-12)/(-10)). Solve -2*q - 3 = -w*q for q.

1

Let b(f) = -5*f2 + 9*f + 23. Let x(k) = 2*k2 - 5*k - 11. Let o(q) = 3*b(q) + 7*x(q). Let n be o(-6). Suppose -t = n*t. Solve l - 4 + 0 = t for l.

4