Let i(t) = -t**2 + t + 2. Let x be i(-1). Solve -5*r + 3*r - 4 = x for r.

Suppose 0 = -2*y - z + 14, 0*y = 5*y - z - 21. Let l be 27 + (1 - 0) + -2. Solve -y*v = -6 + l for v.

-4

Let g(b) = -b3 + 5*b2 + 5*b + 3. Let i be g(6). Let d be 2/(0 - i/9). Solve 0 = -n - 4 + d for n.

2

Suppose 86 = 6*j + 2. Let g = j + -14. Solve -1 = -g*q - q for q.

1

Let l(i) = -i**2 + 3*i. Let b be l(0). Solve b = -k + 1 + 2 for k.

3

Let v be ²⁄₄ + 9/(-2). Let i = 3 + v. Let j be 1*(2 - (0 + i)). Solve -j*f - 5 = 10 for f.

-5

Suppose -2*h = 4*k - 18, -14 = -k - 5*h + 13. Suppose -2*z = -2*m + k, -3*m + 7 = 5*z - 20. Let n = 22 - 10. Solve n + 0 = m*g for g.

3

Suppose -3*t - 5 = -29. Let q = 12 - t. Suppose 3*p + 3*f = 84, -64 = -3*p + 3*f + 14. Solve -7 + p = q*d for d.

5

Let u(m) be the first derivative of -m⁴⁄₂₄ + 2*m³⁄₃ + 3*m**²⁄₂ + 3. Let z(l) be the second derivative of u(l). Let q be z(2). Solve q = -3*w + 2*w for w.

-2

Suppose -6*a + 3*a - 79 = -5*c, -23 = -c + 3*a. Suppose -3*r + 2*w = 0, c = r - 4*w + 8*w. Solve -7*p + r*p = 15 for p.

-3

Let p be -2 + (6 - (-1 + 5)). Let s(v) = v3 - 5*v2 + 2*v - 6. Let m be s(5). Suppose -2*u = -4*u + 6. Solve p = -m*o - u + 11 for o.

2