Let z(d) = d**2 - d - 1. Suppose 9 = 5*u - 2*u. Let y be z(u). Solve 20 = -y*i + i for i.

-5

Suppose -a + 44 = 3*a. Solve 0 = 4*x - a - 5 for x.

4

Let k(m) be the first derivative of -m3⁄3 + m2⁄2 + 16*m - 3. Let z be k(0). Solve -5*w + z - 1 = 0 for w.

3

Let o be ((-6)/1)/(34/(-85)). Solve o = -b - 2*b for b.

-5

Let c(l) = -l**2 + 5*l - 2. Let t = -1 - -4. Let k be c(t). Solve 1 = -m - k for m.

-5

Suppose 4*a + 52 = 4*t, -5*a + 5*t - 55 = -a. Suppose 4*r + 22 = -o, -4*r - 3 - 25 = -2*o. Let w = r - a. Solve -c = w*c + 20 for c.

-4

Suppose 6 = 2*k + 2*r, -4*k - k - 2*r + 24 = 0. Let w = k - 6. Solve w = -6*i + i for i.

0

Suppose 0 = 2*z + 2*m, 5*m = -2*z + z. Suppose -2*j + j = 5*k + 5, z = -5*j - 4*k + 17. Suppose -5*v = w - 0*w + 10, -5*v = j*w - 30. Solve 3*a = w - 4 for a.

2

Let n be -4*(4 + (-54)/12). Solve 0 = -2*a + 4 - n for a.

1

Suppose 0*a - 4 = -4*a - 3*i, i = 0. Suppose 4*c = 12, 0*f + 4*c - 12 = -2*f. Let x = f + a. Solve v - x = -0*v for v.

1