Let a(d) = d**2 + 1. Let o be a(2). Solve -o - 15 = -4*x for x.

Let a(y) = 2*y3 - 6*y2 - 7*y + 1. Suppose -2*f + 1 = -9. Let c be a(f). Let n = c - 32. Solve -5*d - n = -14 for d.

-4

Suppose 3*w = 5*s + 45, 4*s - w = -1 - 28. Let u(q) = q + 2. Let l(f) = 1. Let g® = 6*l® + u®. Let i be g(s). Solve 0 = -i*o + 4*o for o.

0

Suppose -10*m + 30 = -4*m. Solve m*c - 28 = -8 for c.

4

Suppose -7*b + 4*a = -3*b + 16, -b - 5*a + 20 = 0. Suppose -3*t - 2 - 10 = b, -5*z + 2*t + 28 = 0. Solve 2*u = -0*u - z for u.

-2

Suppose -3*w + w + 12 = 2*h, -2*w + h = -3. Solve 2*a = w*a + 4 for a.

-4

Let y® = -6*r3 + 8*r + 12. Let c(l) = -5*l3 - l**2 + 7*l + 11. Let t(v) = -5*c(v) + 4*y(v). Let d be t(-5). Solve -d = -w - w for w.

4

Let v(s) = -s3 + 4*s2 - 2*s + 4. Let q be v(3). Let j = -2 + q. Solve z = -0*z + j for z.

5

Suppose -6*y + 8 = 5*b - 2*y, y = -4*b + 13. Let q be (⁶⁄₉)/(b/18). Solve -4*r - 1 = q for r.

-1

Let w(u) = u2 - 6*u - 5. Let o(a) = -a2 + 7*a + 5. Let d(v) = -5*o(v) - 6*w(v). Let h be d(0). Solve h - 3 = 2*r for r.

1

Let d(k) = -k**2 - 5*k + 3. Let v be d(-5). Let u be (2/(-3))/(16/(-168)). Solve -16 = v*i - u*i for i.

4