Let t = 7 + -10. Let u = t - -3. Let v(j) = j + 4. Let i be v(-4). Solve f + u + 4 = i for f.

Suppose 3*z - 42 = z. Suppose 0 = -2*x + 5*k - 3*k - 10, -4*x = -5*k + z. Let m = 6 + x. Solve m*r - 3 = 3 for r.

3

Let z(o) be the third derivative of o⁵⁄₆₀ + 7*o⁴⁄₂₄ + 3*o³⁄₂ + 3*o2. Suppose -4*f + 3 = 27. Let u be z(f). Solve k = -u*k for k.

0

Suppose -4*o = -0*o + 4*d, 3*d = -5*o + 4. Solve 8 = -o*t - 2*t for t.

-2

Let s(n) = n3 + 10*n2 - 11*n - 14. Let z be s(-11). Let l be 12/(-18) - z/3. Solve 0 = r + l*r for r.

0

Suppose 121 + 124 = 5*z. Suppose 0 = -v - 3*k + 7 + 8, 5*v + 2*k = z. Solve 5*b - 11 - v = 0 for b.

4

Suppose -5*w = -15 - 15. Let o(n) be the first derivative of n⁴⁄₄ + n³⁄₃ + n**²⁄₂ + n - 2. Let z be o(-1). Solve z = q - w*q for q.

0

Let b be -9 + 5 + 4 + 2. Solve 0 = -b*n - 2*n - 12 for n.

-3

Suppose 4*x = -2 + 14. Solve 0*n - x*n = -12 for n.

4

Let d(h) = -h3 - 2*h2 + 1. Let p(n) = 2*n + 3. Let t be p(-2). Let j be d(t). Suppose j*v = 3*v - 6. Solve 0 = -v*a + a for a.

0

Let v = 3 + -4. Let m = 1 + v. Let z be (-30)/(-8)*(-16)/(-3). Solve 5*r + m + z = 0 for r.

-4