Let t be (-2)/7 - 23/(-7). Suppose -7 - 2 = -t*z. Solve -z*b + 3 + 0 = 0 for b.

Let r(z) be the first derivative of z⁴⁄₄ - 3*z3 + 3*z + 2. Let h be r(9). Solve 0 = -4*s - h - 17 for s.

-5

Let u be ¹⁰⁄₄ + ⁵⁄₁₀. Suppose u*f = -4*g - 14, -6*f = -f + 2*g. Solve 3*l + 20 = -f*l for l.

-4

Suppose -5*k = -2*t - 45, -3*t + 2*t - 5 = 0. Suppose 3*q = 2*q + k. Let o = -4 + q. Solve 0 = -o*n - 4 - 2 for n.

-2

Let g(j) be the first derivative of 3*j⁴⁄₄ + j³⁄₆ - 2*j - 3. Let x(y) be the first derivative of g(y). Let k be x(-1). Solve 3*a = k*a + 25 for a.

-5

Suppose -3*b + 4*n = -22, b + 5*n = 2*b - 22. Let x = -261 - -264. Solve -b*k + x = 7 for k.

-2

Suppose -4*k + 39 = 7. Suppose -4*x = -4 - k. Solve -x*c = -2 + 8 for c.

-2

Let c be ²⁄₃ + 80/(-12). Let r be 45/c*4/(-6). Solve g + r = 2*g for g.

5

Suppose 3*l - 10 = 11. Let x = l - 3. Solve -k + 1 = x for k.

-3

Suppose 2*r + 17 = 3*r + 3*q, 3*r - 2*q = 7. Solve 4*z + 1 = r*z for z.

1

Suppose 4*a - 4 = -20, -3*a - 10 = 2*v. Solve -7 - v = 4*l for l.

-2