Suppose 6*o - 2*o - l = 4, 0 = 3*o + 5*l + 20. Suppose -c - 5*m = -19, o = -c - 4*c - 4*m - 10. Let i = c + 10. Solve -b = i*b for b.

Suppose u = -4*u + 20. Solve 3*f + u = 7*f for f.

1

Suppose -6 - 10 = -4*r. Suppose 0 = -2*x + 6 + r. Suppose -m - 2*z - x = -6*m, 12 = -m + 3*z. Solve -m*i + 0 + 15 = 0 for i.

5

Suppose 0 = 2*n + n. Let q(b) = b**2 - 2*b - 3. Let c be q(-2). Suppose c = -x + 4*i, 6*i - 5*i = -4*x + 14. Solve n = 4*l - x*l - 4 for l.

4

Suppose -3*r + 2*r = 2*v + 10, -4*v = -5*r + 20. Solve -3*c + r*c - 15 = 0 for c.

-5

Let l be -3 - (-8 - 1)*2. Let p = l - 11. Let t = 6 - p. Solve 5 = -u + t for u.

-3

Let t be (-5043)/27 - (-2)/(-9). Let o be (-4641)/t + (-4)/(-22). Solve 5*w - o = -0*w for w.

5

Let a(b) be the second derivative of b2 + ¹⁄₄*b4 + ¹⁄₃*b3 - ³⁄₂₀*b5 + 0 + 4*b. Let k be a(-2). Solve 0 = 5*u + k - 14 for u.

-4

Suppose -3*a + 0*a - 14 = -4*p, 3*p - a - 8 = 0. Solve -3*n - 5 = p*n for n.

-1

Suppose -7*k + 23 = -5. Solve -b = k - 2 for b.

-2

Suppose -4*r = -r. Let k be -4 + 3 + 5 + r. Solve -k*c - 15 = c for c.

-3