Suppose -3*y + 16 = 4*d, 3*d + 8 = 5*d - 3*y. Solve -21 - d = 5*u for u.

-5

Suppose 12 = -a + 5*a. Let x be 717⁄12 - (-3)/12. Suppose 0 = -2*t - 4*u + 24, -a*t - u = 2*t - x. Solve s = 5*s - t for s.

3

Suppose 3*f = -2*p - 13, -p + 7 = -f + p. Let d be (5/f)/((-1)/2). Suppose d*r = 4 + 4. Solve r*s - 1 = 15 for s.

4

Let f = 9 + -8. Solve 0 = -0*x - x - f for x.

-1

Let k = 46 - 43. Suppose 4*b = -5*c + 31, 4*b - 22 = -c - c. Suppose 0 = -b*v - 9 + 33. Solve -v = k*w - w for w.

-3

Let l© = -c**2 + c. Let x be 21⁄2 + -4. Let b be 0/(-1)(-3)/x. Let o be l(b). Solve -m + 0*m = o for m.

0

Let z(k) be the first derivative of k4⁄4 + 14*k3⁄3 + 12*k - 8. Let b be z(-14). Solve 0*x + 4*x = b for x.

3

Let y(h) = h3 + 4*h2 - 2*h - 2. Suppose -16 = 4*r - 0*r. Let i be y®. Suppose 4*u + 47 - 3 = 2*s, 85 = 5*s - 5*u. Solve i*a = 3*a + s for a.

4

Let u(o) = -o**2 - 13*o - 22. Let j = -22 + 11. Let g be u(j). Solve g = 4*s - 7*s + 6 for s.

2

Let n be (6⁄8)/((-13)/(-208)). Let q be (-1 - -1)/(3 + -1). Solve q*i = 3*i - n for i.

4