Let f(d) be the third derivative of -d**5/60 + 5*d**4/12 - d**2. Let y be f(9). Solve a + y = 4*a for a.

Suppose 0 = -5*j + 20, -5*t - 6*j = -j + 40. Let h be (t/(-15))/(⁸⁄₂₀). Solve 0*l - h*l = 0 for l.

0

Let g(z) = z3 + 5*z2 - 6*z + 2. Suppose 2*j + 3*i = 3, 4 = -2*j - 2*j - 4*i. Let d be g(j). Solve 0 = s - 2*s + d for s.

2

Suppose -14*j + 16 = -12*j. Solve 4*f = -8 - j for f.

-4

Let r(f) = 2*f**2 + 5*f + 4. Let a be r(-2). Solve -a*p + p = -2 for p.

2

Let t be (⁴⁄₁₀)/((-1)/(-5)). Let c be -2 - (0 - ⁶⁄₂). Let u = t + c. Solve n - u = -1 for n.

2

Let y(s) = 5*s - 31. Let u be y(7). Solve -d - u*d = -20 for d.

4

Suppose 3*w = 3*p - 12, 5 + 6 = 5*p - 2*w. Suppose 3*f - 11 = -4*g, 0 = -g + 3*f + p + 13. Solve -5*z = g - 0 for z.

-1

Let a be 29/(¹⁴⁵⁄₄)*3*5. Let q(w) = -21*w - 1. Let d be q(-1). Suppose 4*m - d = -0. Solve -a = m*h - h for h.

-3

Suppose 5*p + 4*u - 15 = 0, -5*u = 5*p - 22 + 7. Solve -p*o = o for o.

0

Let t(x) = x**2 - 2*x + 3. Let q be t(3). Let p be ((-8)/q)/(4/(-12)). Solve p*u = -u for u.

0