Let u® = -r3 - 10*r2 + 2*r + 23. Let b be u(-10). Solve 3*j = 2*j + b for j.

3

Let x(m) = -m - 9. Let w be -21/(-4)-24. Let f be x(w). Let i be (1612)/(1/f). Solve -3*k = -i*k for k.

0

Suppose 0 = z - 5*l + 13, -z + 2*l - 13 = 2*z. Let q = z - -9. Solve 2*j - 2 - q = 0 for j.

4

Let c(y) = -y**2 - 9*y - 8. Let q = 43 + -27. Let v be 0 - (-1*q)/(-2). Let h be c(v). Solve h*i - 8 = -2*i for i.

4

Suppose 3*j = -0*j + 6. Suppose 5*i = t - 5, 0 = 4*t - j*i - 2. Solve t = 5*p - p + 16 for p.

-4

Let o = 7 - 7. Suppose -3*m = -f + 11, o = -m - 0*m + 3. Solve 6*a - 2*a = -f for a.

-5

Let m be (-2)/10 + 3315. Suppose 0 = y - m*y + 7. Solve 0 = 4*i + y + 1 for i.

-2

Suppose w + 2*w = 4*u - 32, 5*w + 4*u = -64. Let t = 20 + w. Let o(i) = -i**2 + 7*i + 10. Let y be o(t). Solve -y*z - 5 - 5 = 0 for z.

-5

Suppose 0 = 2*n - 3 - 7. Suppose c - 2*a - 5 = 0, 3*a - 8*a = -4*c + 35. Let m be 27/n + (-6)/c. Solve 0*r = m*r + 10 for r.

-2

Let t® be the third derivative of -r6120 + 7*r560 - 7*r424 + 3*r32 - r**2. Let v be (-1)/(2*2/(-24)). Let b be t(v). Solve -k = b - 2 for k.

-1