Let l be (-1 - -1)*1/2. Let k(j) = 6*j - 1. Let w be k(1). Let n(u) = u**2 - 3*u - 7. Let a be n(w). Solve l = -3*r - 0 + a for r.

Let r(k) = k - 5. Let t = -10 + 15. Let d be r(t). Let u = 10 - 7. Solve -u*b + 6 = -d*b for b.

2

Let r be (-2 + (-20)/(-15))/((-4)/18). Solve 13 - r = 2*l for l.

5

Suppose 5*m + 0*b = -4*b + 20, m = 5*b + 4. Suppose 2*j = -a + 7, -16 = 2*j - 4*j - m*a. Suppose 6 = j*y + y. Solve -y*h + 4 = 2*h for h.

1

Suppose 0 = -i + 2*u - 128, 69 + 189 = -2*i + 3*u. Let m be ²⁄₇ - i/28. Solve -m*r + 0*r = -25 for r.

5

Let g = 0 - -3. Suppose -25*v + 18*v = 0. Solve -n + g*n - 4 = v for n.

2

Suppose 2*g = 5*r + 36, -4*g = r - 3*g + 3. Let s(a) = -a3 - 7*a2 - 5*a + 4. Let z be s®. Let q = 2 - z. Solve q*m + 20 = -m for m.

-4

Let n(f) = f. Let j be n(3). Let z = 6 - j. Solve 4 = h + z for h.

1

Suppose g = 5*r + 1, r = 5*r + 2g + 12. Let d be -3(r + (-2)/6). Solve -2*o = 2*o + d for o.

-1

Suppose -45 = -2*j - j. Suppose 4*z - 36 = -4*x, z - 4*z + x = -j. Solve -3*w = 3 + z for w.

-3

Let g = 2 + -2. Let p = -6 - -7. Suppose -4*x = -20, x - 7 = -h + p. Solve h*m - 7 - 8 = g for m.

5