Let o be ((-21)/35)/((-2)/20). Let s be (o/4)/(3/6). Solve 0*b = -s*b + 3 for b.

Suppose 3*b - 4 = 4*b. Let v = -4 - b. Suppose d - 3*d + 2 = 2*l, v = 3*l + d - 11. Solve l - 20 = -3*y for y.

5

Let h = -36 + 60. Suppose -9 = -q - 2*q. Suppose s - q*s - 9 = a, -a = 5*s + h. Solve 5*o + 4 = -a for o.

-1

Let j = -28 - -31. Let d® = r**2 + 2*r - 4. Let a be d(-4). Solve 2*s + a = j*s for s.

4

Let n be (⁹⁄₆)/((-6)/16). Let p = 11 + n. Solve -2*c + 25 = -p*c for c.

-5

Suppose 2*q - 5 = 45. Let n = 14 - 9. Solve -n*i = -0*i + q for i.

-5

Suppose 0 = 2*m + m - 36. Suppose 12 = 5*i - 4*o, 4*i + 3*o + m = -o. Solve 0 = 5*x - i*x for x.

0

Let h = -5 - 0. Let m = 5 + h. Suppose 2*u + m = 6. Solve 0 = -u*i - i - 8 for i.

-2

Suppose -3*s + 4*q = -q + 2, 2*s - 4q + 2 = 0. Let i be (-1 - (-6)/4)-2. Let u = s - i. Solve 5*z - u*z = 15 for z.

5

Let y(k) be the first derivative of k⁴⁄₄ + k3 - k**²⁄₂ - k - 3. Let o be y(-2). Solve 0 = 3*t + o - 14 for t.

3

Suppose -4*r - y + 31 = r, 3*r - 23 = -5*y. Let w = r + -3. Solve -w - 1 = 4*o for o.

-1