Suppose 4*m = 1 + 7. Let u be -1 + 4/m + 1. Suppose 4*n + 2*k - 20 = 0, -3*n - 5 = -2*n - u*k. Solve -2*r = n*r for r.

0

Suppose 2*k + 4*i = 20, 2*k + 3*i = 7 + 8. Solve -2*l + 2 + 8 = k for l.

5

Let o = -39 + 81. Suppose 2*a = 5 + 5. Suppose -a*z + o = 2. Solve -z = h + h for h.

-4

Let p(l) = l3 - 5*l2 + l - 5. Let n be p(5). Let u be 6⁄1 + n + 0. Solve -4 = -5*x + u for x.

2

Let w(x) = -x - 2. Let b be w(-4). Suppose -b*j + 10 = -2*n, -7*n + 2*n = -20. Suppose -j = 4*y - 5*y. Solve -t - y = -4*t for t.

3

Let f be 4⁄14 - (-26)/7. Suppose 0 = u - 4, -4*u - 11 = -3*n - 39. Let l be (-11)/n - 2/(-8). Solve l*v + v - f = 0 for v.

1

Let x = 13 - 29. Let k = x + 20. Solve -i = k*i for i.

0

Let n be -22(-3)/4-2. Let v be n/(-5) - (-6)/15. Let p be 14 - (1 - 3 - -1). Solve v*a - 2*a = p for a.

3

Suppose -2*z = -u + 5*u + 2, 4*z = -20. Let j = 0 + u. Let m© = -c3 + 4*c2 + 8*c - 3. Let q be m(5). Solve 0 = 2*y + q - j for y.

-5

Let a(o) = -o3 + 6*o2 + o - 1. Let n be a(6). Solve -n + 17 = 4*k for k.

3