Suppose -2*o + 21 = -3*p - 5*o, -p - 2*o = 6. Let f = 10 + p. Solve -f*r + 1 = -5 for r.

3

Suppose 0*m = 4*m - 3*p - 16, 3*p + 8 = 2*m. Solve 0 = -0*b + m*b - 20 for b.

5

Let u = 45 + -23. Solve 3*y + u = 7 for y.

-5

Let l be (-4)/20 - (-6)/5. Solve p - l - 4 = 0 for p.

5

Suppose -3*b - 3 + 6 = 0. Let k = -1 + 3. Solve -k = -o - b for o.

1

Let s(p) = p**2 - 4*p - 4. Let k be s(6). Let l be ((-4)/k)/(3/(-30)). Solve -l*h + 0*h = 5 for h.

-1

Let k = 7 - 3. Let s = 67 - 57. Let y be (s/6)/(k/12). Solve -7*i + 4 = -y*i for i.

2

Let m = -31 + 49. Suppose 0 = -2*d - 2*p + m, 7*d - 2*d = -3*p + 37. Suppose r = x + 4, -2*r - 2*r = d*x - 7. Solve 2*j - r = 3 for j.

3

Let i(a) be the first derivative of a**2⁄2 - 4*a - 2. Let z be i(6). Solve z*y + 4 = 3*y for y.

4

Suppose -4 = -3*c - 4*s, 0 - 2 = -5*c - 2*s. Solve 2*d + c*d - 4 = 0 for d.

2