Suppose 0 = -5*w - i + 25, w + 21 = 5*i - 0. Suppose 4*k - 10 = -2*p + 4, 2*k + 4*p - w = 0. Solve -k*b + b - 9 = 0 for b.

Let o(i) = i3 - 10*i2 + 9*i + 3. Let p be o(9). Solve p = -5*r - 2 for r.

-1

Let i(s) = -s2 - 12*s + 17. Let z(o) = o2 - 11*o + 15. Let l be z(7). Let y be i(l). Solve y*r - 20 = -r for r.

4

Suppose -d + i = 3*i - 10, 5*d + i = 23. Let s(n) be the first derivative of n**²⁄₂ - 3*n + 1. Let v be s(5). Solve 3*l - v = d for l.

2

Let l = 18 - 14. Solve -b + l*b - 9 = 0 for b.

3

Suppose 34 = 5*d + 3*a, 7*a - 3*a + 24 = 2*d. Solve -d = 2*r - 4*r for r.

4

Let u(q) = -q3 - 4*q2 + 19*q - 9. Let c be u(-7). Solve 0*v = -c*v - 20 for v.

-4

Suppose 4*c - 3 = 3*c. Let n = 3 - c. Let x(w) = -w**2 - 4*w - 2. Let u be x(-3). Solve 4*d - 7 - u = n for d.

2

Let v be (-2)/(-1) - (1 + 1). Suppose 4*f - 2*f = v. Let m be ⁴⁄₆ - (-12)/9. Solve m*a + 0*a + 2 = f for a.

-1

Let d = 20 - 10. Let k be 22/d + 2/(-10). Solve k + 18 = 4*a for a.

5

Let l(n) = -14*n + 1. Let o be l(-1). Let y = 17 - o. Solve y*j + 2 = -0*j for j.

-1