Let i = 7 - 2. Suppose -2*p + 4*l - l = -13, -i*p - 4*l - 2 = 0. Solve 3 = p*x - 1 for x.

2

Suppose 0 = 4*l - l - 9. Suppose 10 = l*c - c. Solve 0*u + c = -5*u for u.

-1

Suppose -4*r + 5*r + v = -3, 2*v = -r - 8. Solve r + 10 = 4*q for q.

3

Let c be 3*(-3)/(27⁄21). Let p = 10 + c. Suppose 5*o = 23 - p. Solve 5 + 3 = o*v for v.

2

Let n = 4 - 2. Suppose 2*d - n = 12. Solve 0 = -4*h - d + 23 for h.

4

Suppose x + 32 = 6*d - 4*d, 2*d = 5*x + 48. Solve -d = 3*b + 1 for b.

-5

Let v(k) = k3 + 3*k2 - 6*k - 4. Let t be v(-4). Suppose -5*z + 33 = -2*z + 3*f, t = 2*f. Solve -w = 2*w - z for w.

3

Let v© = 5*c3 - c2 + c - 1. Let t be v(1). Suppose 7*m - 5*z = 2*m + 45, 0 = 2*m - 3*z - 22. Solve -m*w + w = -t for w.

1

Suppose 4*l = 5*t - 12, -l + t = -0*t + 3. Let n be (-7)/l + 2⁄3. Suppose 19*g = 11*g + 16. Solve 0 = n*z + g*z for z.

0

Let y = 7 - -5. Suppose 3*k - k = y. Suppose 8*z - 60 = 3*z. Solve 2*d - k*d = -z for d.

3