Suppose -4*v - 6 = -4*b + 6, 0 = 5*v + 5*b - 15. Let m(t) = -t + 3. Let j be m(3). Solve -r + j*r = v for r.

0

Let k = -3 + -2. Let a = -3 - k. Solve b - 2 = a for b.

4

Let d(o) = 4*o - 3. Let h be d(7). Let s® = r3 + 3*r2 + 4. Let k be s(-3). Solve 9*v - k*v = h for v.

5

Let n(o) = o2 - 4*o. Let h be n(5). Let p(t) = -3*t3 + 2*t**2 - 1. Let b be p(-1). Suppose h*a - 3*i = -b*i + 3, -5*i - 6 = 4*a. Solve -3*f - 16 = -a for f.

-5

Let z = 2 + 0. Let p(h) = 2*h**2 - 3*h + 1. Let c be p(z). Suppose 4*n + d - 20 = 3*d, -c*n = d - 5. Solve -n*u = -u for u.

0

Let i = -9 - -18. Let t be (-30)/9*i/(-5). Solve 2*p - 5*p + t = 0 for p.

2

Suppose 7*x = 2*x + 35. Solve -2*t + x = -3 for t.

5

Suppose -s + 16 = 2*s - l, -8 = 2*l. Suppose s*z - 15 - 9 = 0. Solve -12 = z*h - 2*h for h.

-3

Let p(n) = 2*n**2 + 4*n - 4. Let t be p(4). Let w be 15⁄6*t/5. Suppose -5*c + k = -w, -c - 28 = -6*c - k. Solve c*a + 20 = 5 for a.

-3

Suppose 1 = -t - 6. Let a = t - -10. Let g = 1 - -1. Solve 0 = -g*n + a*n + 1 for n.

-1