Suppose -2*z - 2*z = 40. Let l be 8/10*(-25)/z. Solve w + 15 = -l*w for w.

Suppose -2*j = -3*j - 6. Let y be (1 - 1)/(7 + j). Solve y*p = -4*p - 16 for p.

-4

Suppose 5*x + 4 = 4*a, -6*x + 4*x - 4 = -2*a. Let g = a - 0. Solve u - 1 = -g for u.

-5

Let c(f) be the second derivative of f⁴⁄₁₂ + 5*f³⁄₆ + 7*f**²⁄₂ + f. Let b be c(-7). Let v be -1 + 7/(b/12). Solve 0 = v*d - 6*d + 9 for d.

3

Let x(p) = -6*p2 + 3*p + 5. Let t® = r2 - 1. Let c(n) = 5*t(n) + x(n). Let h be c(2). Suppose 4*k - 6 = y - 0*k, 0 = -5*k + 10. Solve 4 = y*a + h for a.

1

Let y(u) = u2 - u. Let d(h) = -h2 + 3*h + 2. Let p(l) = d(l) + 2*y(l). Let i be p(-2). Let g be (5 - i)/((-2)/(-6)). Solve -w = g*w - 16 for w.

4

Let a(u) be the second derivative of -u³⁄₆ + u2 + 2*u. Let c be a(-3). Suppose -c*w + 16 = -w + 4*l, 5 = w + 2*l. Solve -w*j - 3 = 9 for j.

-4

Let a be 65/(-39)*(-10 + 1). Suppose -7 = -4*o + 9. Solve -o*f - a = f for f.

-3

Let n(t) = t**2 - 2*t + 7. Let s be n(5). Let b = s + -7. Solve -2*k - 3*k = b for k.

-3

Let a = -1 + 5. Let y(j) = -265*j + 260*j + j**2 + 4 + 2. Let u be y(a). Solve 5*r + u = -3 for r.

-1

Let n = 4 - 0. Suppose -w + 2*w = n. Suppose 55*h = 54*h + 15. Solve -g - w*g + h = 0 for g.

3