Let y = 5 - -4. Let d = -1 - y. Let l = d + 18. Solve -l = 5*r - r for r.

Let s = 21 + -21. Solve s = g - 3*g for g.

0

Let y(i) be the second derivative of -i⁵⁄₂₀ - i⁴⁄₂ + 5*i³⁄₆ - 5*i²⁄₂ + 2*i. Let g be y(-7). Solve 0 = -5*l + 34 - g for l.

5

Let b = 9 - 8. Let a(s) = 3*s**2 - 2*s + 1. Let u be a(b). Solve -u*i + i = 0 for i.

0

Let g® = 3*r. Let j(p) = -p**2 + 2. Let x be j(3). Let l(q) = 5*q - 1. Let n(w) = x*g(w) + 3*l(w). Let h be n(-2). Solve h = -4*b + b for b.

-3

Suppose -3*y = -7 + 1. Suppose q = -z + 39 + 11, -3*z = -2*q + 75. Suppose -2*i + y*j = -10, 4*i = -2*j + j + q. Solve -4*p + 2*p = -i for p.

5

Let v(i) = -i3 - 6*i2 + i + 4. Let z be v(-6). Let p(o) = o + 2. Let k be p(z). Solve b + b - 2 = k for b.

1

Let v = -9 + 19. Suppose 2*s = 5*q - v, 3*q + 2*s + 4 = -6. Solve -u + 4 - 6 = q for u.

-2

Suppose 0 = -14*x + 9*x + 30. Solve -x*o + o = 25 for o.

-5

Let t(b) = -b**2 - 11*b - 18. Let m be t(-9). Suppose -4*j - 1 = -3*x, m = 4*x - 2*j - 14 + 6. Solve -x*q - 25 = 2*q for q.

-5

Let a be 8 + 1 + -1 + 0. Suppose -5*w = 2*p - 43, 2*p + 0 + 2 = 4*w. Suppose -q = 3, 2*q - 6*q = t + p. Solve -t*h = -1 - a for h.

3