Suppose 5*r - 7 = 3. Let x be (-15)/10 - (-3)/r. Solve x = -3*z - z + 8 for z.

2

Let x(m) = -m3 + 9*m2 + 2. Let d be x(9). Let w be (d - 12)*(-8)/10. Solve -2 = 2*b - w for b.

3

Let f(l) be the third derivative of -l6120 + l515 - l32 + 3*l2. Let u be f(3). Solve -b = -u*b + 20 for b.

4

Let s = 58 + -57. Solve 5*l = -s - 4 for l.

-1

Let h(d) be the third derivative of d640 + d5120 + d33 - 2*d2. Let y(l) be the first derivative of h(l). Let x be y(-1). Solve -4*q + 2*q = x for q.

-4

Let y be (-26)/(-10) - 10/(-25). Suppose -19 + 4 = -y*t. Suppose 27 = 4*u - t. Solve 0 = 4*c - u for c.

2

Let u(o) = -o3 + 5*o2 - 4*o. Let g be u(3). Let n be (-3)/9 + 14/g. Let k(w) = 2*w**2 - 2*w - 2. Let d be k(n). Solve 0 = -l - d*l + 12 for l.

4

Suppose -3*b = -11*b. Solve 2*l + l + 15 = b for l.

-5

Suppose -4*d + 16 = 4*z, -4*z + 13 = 5*d - 4*d. Solve 2*n - z*n = 2 for n.

-2

Let r(a) = a**2 + 18*a + 21. Let n be r(-17). Solve 8*b = n*b + 20 for b.

5