Let j(v) = v - 9. Let s be j(13). Suppose -k + 19 = f, 0*f - 44 = -2*f + s*k. Solve -5*w - f = -5 for w.

Let j(k) be the first derivative of k³⁄₃ - 9*k²⁄₂ - 10*k + 5. Let v be j(11). Solve v = -9*a + 5*a for a.

-3

Suppose 0*o + 23 = 4*o + 5*k, 4*o + 2*k = 14. Solve -o*b - 4 = -3*b for b.

4

Suppose -4 = -3*l + 2. Suppose -n + l*n - 2 = 0. Solve -7*v = -n*v + 15 for v.

-3

Let f(p) be the first derivative of -5*p**2 - 6. Let b be f(-2). Solve -b + 0 = -4*g for g.

5

Suppose s = 2*s + 9. Let d be 6/s - (-33)/9. Suppose 3*o - 12 = -d*l + 4*o, 0 = 3*l + o - 12. Solve -v = l*v for v.

0

Suppose -4*l = 1 - 21. Solve -l*i + 2*i = 0 for i.

0

Let z be (-20)/6*⁶⁄₅. Let v be (¹¹⁷⁄₁₂)/(-3)*z. Solve 5*h - v = -3 for h.

2

Let v = 99 + -55. Let o be 4/(-10) + v/10. Solve 0 = d - o*d + 9 for d.

3

Let q be -1*(-6 - (-1 + 0)). Suppose -19*f + 26*f = 91. Let l(v) = v - 4. Let h be l(4). Solve -2*u - f + q = h for u.

-4

Let m(d) = d3 + 5*d2. Let b be m(-5). Solve b*k = k - 4 for k.

4