Suppose 15 = 4*f - 2*j + j, 20 = 4*j. Suppose 5*v - 2*v - 4*s = 5, -4*v + 5*s = -7. Solve f + v = 4*i for i.

2

Let g be ((-12)/20)/(1/(-5)). Suppose -2*r - 2 = -2*l, -4 = -2*r - l - g*l. Solve -4*j + 0*j + 16 = r for j.

4

Let w(v) = -v3 + 9*v2 - 8*v + 4. Let d be w(8). Solve 24 = d*s + 8 for s.

4

Let b(i) = i**2 - 3*i - 1. Let n be b(-2). Suppose -1 = -3*c + 3*a - 4, 3*a = c + n. Suppose -2 + 7 = y. Solve h - c = -y for h.

-2

Let b = 55 - 11. Suppose 4*o = -p + b, -o + 4*p + 5 = -6. Solve o = 4*l - 5 for l.

4

Suppose l + g = -4*l + 16, 3*g - 18 = -5*l. Suppose 17 + 13 = k + 2*r, -30 = -k + l*r. Let u = -18 + k. Solve 6*b - u = 2*b for b.

3

Let g(x) be the third derivative of -7*x4⁄24 + x3⁄2 - x**2. Let v© = -c + 1. Let t(q) = g(q) - 4*v(q). Let y be t(-1). Solve 0 = z + y + 2 for z.

-4

Let r = -20 + 23. Solve -b = -4*b + r for b.

1

Let h be -4 + 2*(-15)/10. Let t = h + 22. Let x(u) = -2*u - 2. Let w be x(-3). Solve -w*g - t = -g for g.

-5

Let x(y) = -y - 1. Let c be x(-1). Solve 5*r - r + 8 = c for r.

-2