Suppose -3*x + 0*t + 39 = 4*t, 0 = 3*x - t - 24. Let j = x - 7. Solve 0*a = -j*a + 4 for a.

2

Suppose -4*z + 9 - 38 = -5*o, -4*o - 5*z + 15 = 0. Solve 4 - 9 = -o*f for f.

1

Let a(f) = -f**2 - 6*f + 3. Suppose 0 = 5*w - k + 6*k + 5, 5*k = 4*w + 49. Let s be a(w). Suppose 4*j = 7*j - s. Solve 2*u - 11 = -j for u.

5

Let d = -5 - -10. Suppose -1 = -u, d*p - u - 2 = -3*u. Solve 4*z - 20 + 4 = p for z.

4

Let s(g) be the first derivative of -g4⁄4 + 13*g3⁄3 - 13*g**2⁄2 + 16*g - 6. Let x be s(12). Solve -x*b = b for b.

0

Suppose 4*r - y - 34 = 0, r + 2 = -y - 4*y. Suppose -3*i + r = i. Solve 0 = -i*q + 6*q - 16 for q.

4

Let w(p) = -p2 + 1. Let a(x) = 2*x - 3*x + 2*x + 4 - 6*x2 - 2*x. Let v(o) = -a(o) + 4*w(o). Let y be v(-4). Solve -5*t - y + 3 = 0 for t.

-5

Let h(b) = -b3 - 8*b2 - 10*b + 2. Let u be h(-7). Suppose -7*z + 33 = -2*z - n, -3*z = n - u. Solve 0 = 2*r - z*r for r.

0

Suppose -5*s + 3*b + 11 = b, 5*s - b - 13 = 0. Suppose s*c = 4*c - 2. Suppose -5 = -c*i - 3*i. Solve -i = -5*v - 21 for v.

-4

Let n = 4 - 0. Solve n*u = -2 + 22 for u.

5