Suppose 3*n - 5*r - 12 = 0, -4*n + 0*r + 16 = 5*r. Suppose 27 = n*a - a. Solve 5*k + a + 1 = 0 for k.

-2

Let u be (0/3)/((-2)/1). Suppose 5*t + u*l = 4*l, 2*l = t. Let b be 2 + t*2/(-2). Solve 0*v - b = -v for v.

2

Let o(s) = -s3 - s2 + s + 1. Let m be o(0). Let d = m - -6. Solve -2 = -g - d for g.

-5

Suppose w = -4*w. Solve w = i - 1 + 5 for i.

-4

Suppose 4*m + m - 3*o = -66, 8 = 4o. Let z be 0/(-4)(-4)/m. Solve z*k = k - 2 for k.

2

Let p(u) = u**3 - u. Let n be p(-1). Solve b + 2 = -n for b.

-2

Suppose 0 = -3*x - 3 + 18. Let y(q) = -q3 + 3*q2 + 6*q - 2. Let i be y(4). Suppose -t + i = t. Solve x = 4*v - t*v for v.

5

Suppose c = 6 - 3, -c + 3 = -2*y. Solve -u = -2 - y for u.

2

Suppose 0 = -3*o - 4*t + 2*t + 72, -o + 24 = -t. Solve -o - 1 = -5*s for s.

5

Let o(d) = -3*d2 + 18*d + 5. Let n(x) = 4*x2 - 27*x - 7. Let a(y) = 5*n(y) + 7*o(y). Let u be a(-9). Solve 4 = h - u*h for h.

4