Let p be (-5)/(-15) - 185/(-3). Suppose 4*r - 70 = -k, 4*r - 4*k - p = -9*k. Suppose r = 2*q + q. Solve 4*d + q = 18 for d.

Let o(f) be the second derivative of f⁴⁄₁₂ - 2*f³⁄₃ - 2*f. Let j be o(5). Suppose -y - 10 = -2*c, -5*y + y = c - j. Solve -25 = 4*a - c for a.

-5

Let c = 172 - 164. Solve -2*a - c = -0*a for a.

-4

Let t = 11 - 10. Solve m = -t + 3 for m.

2

Let a© = -11 - 4 - 10*c - c**2 + 4. Let q be a(-8). Suppose 3*l + q*i = 5, i - 13 = -4*l + 5. Solve -l*h + 2*h = 9 for h.

-3

Let o be ⁸⁄₆*³³⁄₂₂. Solve 0 = -o*s - 3*s + 25 for s.

5

Let v(j) = 5*j + 57. Let i be v(-9). Solve 5*z = i + 3 for z.

3

Suppose 0 = -5*w + b + 20, 0 = 4*w - 0*w - 4*b. Suppose 0 = 3*l - 2*l - w. Solve -l*s = -s for s.

0

Suppose -a + 3*p - 12 = -0*a, 2*p - 8 = a. Let f(j) = -j3 + j2 - j + 2. Let c be f(a). Suppose h = 5*g - 46, -3*h + 4 = -c*h. Solve 3*q = q + g for q.

5

Let m = -9 + 16. Let u = m + -7. Solve -5 = 5*w - u*w for w.

-1

Let u be 0*(3 + (-4)/2). Solve -2*o + 14 - 4 = u for o.

5