Let a(m) = m**2 + m - 20. Let t be a(-5). Solve 0 = -t*r - 5*r + 25 for r.

5

Suppose 20 = 4*l - n - 2*n, 2*n = -3*l - 2. Solve -2*r = l*r + 12 for r.

-3

Let p = 29 - 28. Let a(j) = 5*j3 + 2*j2 - 2*j. Let x be a(p). Solve 0 = -f - 0 + x for f.

5

Suppose 2 = -3*h + 5. Solve -7*a = -6*a - h for a.

1

Suppose -v - 3*w - 13 = -0, -5 = v - 5*w. Let l = 6 - 3. Let f be (6/(-5))/(l/v). Solve 7 + 1 = -f*c for c.

-2

Let o(s) = -s3 - 3*s2 + 3*s - 1. Let z be o(-4). Solve -6*v + z*v - 6 = 0 for v.

-2

Suppose -d + h + 20 = 3*d, 5*h + 36 = 4*d. Let o = -4 - -7. Solve o*i = d*i for i.

0

Let b(y) = 2*y - 1 - y + y**3 + 0 + 5. Let i be b(0). Solve i*p = -0*p + 4 for p.

1

Let x(w) = 16*w2 - 3*w - 1. Let f(q) = 31*q2 - 5*q - 2. Suppose v = 6*v - 20. Let y© = v*f© - 7*x©. Let m be y(1). Solve -5*k - 8 = m for k.

-4

Let w = 3 - 1. Let y(d) = d3 - 10*d2 - 7. Let h be y(10). Let n = h - -12. Solve w*r = n*r - 3 for r.

1