Let l = 1 + -19. Let c be (l/21)/((-3)/(-21)). Let k be 0*(2 + 9/c). Solve 0*j + j - 3 = k for j.

3

Let g = 26 + -25. Solve -g = -3*c + 2*c for c.

1

Let d = -3 + 5. Let f be (-165)/(-9) + 1/(-3). Suppose -5*v - d*u = -7, f = 5*v - 3*v - 3*u. Solve 9 = v*z - 0*z for z.

3

Let l(z) = z3 - 5*z2 + 3*z + 4. Suppose 0*k - k - 7 = 0. Let m = 11 + k. Let n be l(m). Solve -4*u - 2 + 14 = n for u.

3

Let l be (2 - -10)/((-3)/(-2)). Let n = l + -6. Solve -10 - n = 4*m for m.

-3

Suppose -4*z = 2*y - 12, 3*y - 2 + 11 = 3*z. Suppose 8*q - 23 = -a + 3*q, -z*a = -q - 21. Let j be a/(-20) + 2⁄5. Solve -o + 4 + j = 0 for o.

4

Suppose 0 = -3*z + 2*f + 4 - 0, 4*z - 3 = 5*f. Solve -z*g + g - 1 = 0 for g.

-1

Suppose 0 = a - 4*a. Solve a*c = -4*c + 16 for c.

4

Let z(u) = u**2 - 8*u + 13. Let q be z(7). Let p = 1 + -1. Solve -2*r + 0*r - q = p for r.

-3

Suppose -2 = -2*p + 4. Solve -p*r = -r - 10 for r.

5