Suppose -2*w + 12 = -6*w - 5*b, -b = 4. Let d be ((-6)/(-15))/((-4)/(-20)). Suppose 0 = w*r + 4*v - 40, 5*r = d*v + 44 - 4. Solve k - 6*k = r for k.

-2

Let x(j) = -j2 - 1. Let v(d) = -d2 - 3*d - 3. Let i be v(-2). Let r be x(i). Let s be (-2 - r)/3 - -4. Solve 1 = -q + s for q.

3

Let j(f) = -2*f2 + 4*f - 3. Let u be j(2). Let s = -6 - u. Let d(k) = k2 + 2*k - 1. Let w be d(s). Solve -12 = -r - w*r for r.

4

Let a be (85/(-34))/(10/(-8)). Solve a*k = 3*k for k.

0

Suppose b + 0*y - 16 = 4*y, -3*b + 3*y + 21 = 0. Solve 2*g - b + 2 = 0 for g.

1

Let k be 2⁄3 + 56⁄6. Suppose -k = -4*y + 2. Solve y - 5 = -q for q.

2

Let y(v) = -v - 3. Let c be y(-12). Let u(q) = -q**2 + 7*q + 10. Let n be u(8). Solve -m + c = n*m for m.

3

Suppose -8 = 2*y + 2*v, 16 = 5*y - 5*v + v. Suppose 5*s - 25 = -x, x + 11 = 4*s - y*s. Solve -2*u + u + s = 0 for u.

4

Let x = -17 - -26. Suppose 0 = -4*s - 5*g - x, -5*s - 7*g = -3*g. Solve -f = -s*f + 6 for f.

2

Let j = 7 - -5. Let l = j - 7. Suppose l*i - 2*k = 20, k + 24 = 2*i - 3*k. Solve i = -0*r + 2*r for r.

1