Let p be ((-8)/12)/((-1)/21). Suppose 5*j - p = 2*u, -4*j + 3*u + 16 = j. Solve -j = c + c for c.

-1

Let i be 0/(-3 + 4 + 1). Solve 3*q = -i*q for q.

0

Suppose -2*x - 18 = -4*p, 4*p - 3*x - 21 = -0*p. Solve 0 = -p*z - z + 12 for z.

3

Let o® = 3*r3 - r2. Let m be o(1). Solve 0 = 3*x + m*x - 20 for x.

4

Suppose -5*n + 12 = -3*z, -3*n - n + 17 = 5*z. Suppose 2*j + 5 = -z. Let l be 13 + j/(-1 - 0). Solve 0 = -4*a + l for a.

4

Suppose 4 = 4*q + 2*c + 2, 0 = -5*c + 5. Let s = 4 + 14. Suppose -3*g = -2*l + s, -3*l - g = g - 40. Solve 4*b + l = -q*b for b.

-3

Suppose 4 = -4*r + 16. Let x = 1 + 4. Suppose x*v = 4*v + 2. Solve -r*d - 5 = -v*d for d.

-5

Let a© be the third derivative of -c4⁄24 + c2. Suppose 3 = -x + 1. Let f be a(x). Solve 0 = -f*z - 4 - 4 for z.

-4

Let u(f) = f + 14. Let p be u(-11). Solve -p*v = -5*v for v.

0

Let q(f) = -6 + 7*f - f + 3 + f**2. Let n be q(-7). Let l = -1 - -1. Solve l = -n*z - 0*z + 20 for z.

5