Let k = -9 - -9. Solve k = r - 2 for r.

Let a be ⁸⁄₂₀ + ²⁶⁄₃₀*3. Let d(h) = h**2 + 4*h. Let x be d(-4). Suppose -5*v + 5 = -y - 0*y, x = 4*y + 20. Solve 0 = -v*n + a*n - 6 for n.

2

Let i(b) = b + 5. Let z be i(-6). Let g(q) = -5*q**3 + q. Let t be g(z). Solve n = -t*n + 25 for n.

5

Let w be (-3)/6*4 - -5. Solve -w*z + 0*z = 3 for z.

-1

Let n be (-50)/(-18) - (-2)/9. Let s(d) = -d3 + 3*d2 + d + 2. Let t be s(n). Let h = 11 - 7. Solve 0 = t*y - y + h for y.

-1

Let a(d) = 2*d2 + d2 + d**3 - 2 - d + 4. Let m be a(-3). Suppose 8*p - 40 = -5*l + 3*p, -p = m*l - 20. Solve -4*x = -5 - l for x.

2

Suppose 3*c = 2*q - 4, -5*c - 4*q - 5 = -7*q. Suppose -c*g - 24 = -6*g. Solve 4*h + g = -6 for h.

-3

Suppose -2*b = 2*o - 34, -4*b + 0*o + o = -43. Let f = b - 8. Let a = 0 + 1. Solve -a + f = -v for v.

-3

Suppose -2*a - 3*j - 21 = -5*a, 2*j + 16 = 3*a. Let c = 5 + a. Solve 1 = 2*k + c for k.

-3

Suppose 6 = 4*w - 2. Suppose -2*v + 2 = 0, w*f = -f + 5*v + 13. Let o = f + -1. Solve k + 0*k = o for k.

5

Suppose -w = 5*l - 0*w - 15, -5*w + 25 = 0. Suppose 5*p = -3*h + 32, 6*h - 16 = 4*h - l*p. Solve -y - h*y = 0 for y.

0