Let l be (-2)/5 + (-12)/(-90)*3. Solve 0 = 3*u - l*u + 12 for u.

Let u = 46 + -44. Solve -2*y - u = -12 for y.

5

Let h = 9 - 4. Suppose h*f + 8 = f. Let k be f/3 - (-10)/15. Solve 1 + k = v for v.

1

Suppose -g - 5*g + 0*g = 0. Let s = 3 - 3. Suppose s = -c - 2*c + 6. Solve -t - c = -g for t.

-2

Suppose 0 = -16*b + 55 + 105. Solve 0*i + 2*i - b = 0 for i.

5

Let d = 58 - 20. Suppose 2*k = 3*k - 12. Let t = k - 7. Solve 13 = -t*c + d for c.

5

Suppose -5*s + 20 + 20 = 0. Solve 4*t - s = -0*t for t.

2

Suppose 6*m - 2*m - 61 = 5*n, 4*m = -n + 31. Solve 0 = 5*h - m - 6 for h.

3

Suppose 0 = -i + 3, -3*i - 6 = -2*z - 3*z. Suppose z*l + 2*l = 10. Suppose 0 = -l*y + 7*y + m - 24, 5*m + 15 = 2*y. Solve y*b - 2 = -17 for b.

-3

Let r be 1*(3 - (2 - 1)). Solve -15 = -r*i - 5 for i.

5

Let y(s) be the second derivative of -s⁵⁄₂₀ - s⁴⁄₃ - s³⁄₂ + s2 - 4*s. Let a be y(-3). Solve 2*b + a*b = 0 for b.

0