Suppose -3*d - 4*r = -r - 30, -3*d = r - 28. Let q be 9*(2 - 15/d). Solve -q*b + b - 10 = 0 for b.

Suppose 4n - n - 12 = 0. Let y be (3/n)/((-2)/(-16)). Let i be 11 + 3(-4)/y. Solve 3 = -3*o + i for o.

2

Suppose 20 + 10 = 5*t. Let n(k) = k3 - 2*k + 2 - 5*k2 - 3*k + 0*k**3. Let y be n(t). Solve 4*g = -0*g + y for g.

2

Let v be ((-33)/(-4))/3 + ⁵⁄₂₀. Solve 0 = -0*z - v*z for z.

0

Let j = 13 - 11. Solve j = -v - 0*v for v.

-2

Let x be ¹⁄₂*(-2 - -2). Suppose 5*a - 4 = 16. Suppose x*b = -s + b + 2, 2*s - a*b - 4 = 0. Solve -s*k - k = 0 for k.

0

Suppose s = -5*z + 22, -3*z + 5*z - 4 = 0. Solve 2*j = 5*j - s for j.

4

Let r = 1 + -16. Let m be (9/r)/(3/(-105)). Solve 5*z - 4 - m = 0 for z.

5

Let v(i) = -i + 6. Let c be v(3). Suppose 0*t + t - c = 0. Suppose 4*d + 30 = 5*r + 8*d, 16 = -2*r + 4*d. Solve -4 = -t*f + r for f.

2

Let t be (-38)/(-6) + 8/(-6). Solve 5*r = 10 - t for r.

1

Let c(l) be the first derivative of -l³⁄₃ - 3*l2 + 4*l + 4. Let t be c(-6). Solve -7 = -t*k + 13 for k.

5