Let a(n) = -n2 + n + 2. Let p be a(2). Suppose p*r = r. Let c(i) = -i2 + 5*i + 10. Let q be c(6). Solve r = q*f + f for f.

0

Let u(i) = -i + 2. Let n be u(-4). Let h be 5 - 3*n/9. Suppose 0 = y - h + 1. Solve 0 = y*v + v - 9 for v.

3

Suppose -2*l - 3*l = -20. Let y = -6 - -8. Solve -s = -y*s - l for s.

-4

Let j(p) be the first derivative of p**2⁄2 - 5*p - 1. Let c be j(3). Let n = 6 - c. Solve -g = -3 + n for g.

-5

Suppose 3*n = -6, -21 + 6 = -3*m + 3*n. Suppose w + 4*r = -8, -4*r + 0 - 8 = -m*w. Solve w = i - 0 + 2 for i.

-2

Suppose j = -2*j + 6. Let u be (-1)/((-2)/j) + -1. Let n be (-2)/(2 + (-8)/3). Solve -n*c - 6 = -u*c for c.

-2

Suppose 2*c = 2*r + 2*r - 22, -2*c + 18 = 4*r. Solve -13 + r = 4*u for u.

-2

Suppose j + 11 = 2*p + 2*p, 0 = 3*p + 5*j + 9. Solve -5*s = -p*s + 9 for s.

-3

Suppose -5*l + 7 = -5*a + 27, -20 = -4*a + 3*l. Let b = a - 5. Let u be (3/b + -3)/(-1). Solve -4*o = -6 + u for o.

1

Suppose 2*h - 5*v = 1, 5*v - 8 = -2*h + 3*v. Suppose -h*y - 15 = -0*o - 2*o, 0 = -3*o + 2*y + 30. Suppose 0*k - o = -4*k. Solve -12 = -3*p - k for p.

3