Suppose 5*h - 98 = -2*t, h - 56 = -2*h - 4*t. Solve -2*k + 6*k = h for k.

5

Suppose 28 = 2*p + 20. Solve p*j = 9 + 7 for j.

4

Suppose -s + 3*l + 20 = -2*s, -s = -4*l + 6. Let p be (2 - -1)/((-21)/s). Solve 5*x + p = -13 for x.

-3

Let j(a) be the first derivative of -a3⁄3 - 7*a2⁄2 - 2*a - 3. Let d be j(-6). Suppose -3*n - 19 = -5*z, 2*n + d*z - 21 = 3. Solve 0 = 7*i - n*i for i.

0

Suppose -5*h + 22 = 3*p, 4*h + p = -3*p + 24. Solve 8 - 14 = h*x for x.

-3

Let q(l) = 5*l2 - l + 1. Let g(s) = 6*s2 - 2*s + 2. Let m(v) = 4*g(v) - 5*q(v). Let c be m(-4). Let z = -1 - c. Solve x - 2 = -z for x.

2

Suppose 9*s - 10*s = -5. Solve 11 = s*r + 26 for r.

-3

Suppose 4*w = n + 11, -w + n + 4*n = 21. Solve w*l - 1 = -5 for l.

-1

Suppose 0 = -4*j + t + 2*t - 15, -2*t = j + 12. Let m be j/4*78/(-9). Suppose 2*h + 2 = -b, b - h - m = 2*h. Solve 0 = b*w - 3*w + 1 for w.

-1

Let d(q) = -q3 + 10*q2 + 11*q + 1. Suppose -7 = -2*r + 15. Let c be d®. Let f(p) = p**2 - 6*p + 5. Let x be f(5). Solve x = -5*b - c - 4 for b.

-1