Suppose 0 = 4*g - 2*u - 90, -4*g - 3*u + 57 = -28. Suppose 5*l - x = 3*x + 62, -4*x = l - g. Let s = l - 6. Solve k = -k + s for k.

Let w be 2/(-8) - 3/(-12). Suppose y + w*u - 6 = -u, y - u = 0. Suppose j = 5*k - 16, 2*k - 4 = -5*j - y. Solve 6*t = k*t for t.

0

Suppose o - 2 + 0 = 0. Let l be 5/((-4)/(-8) + 2). Suppose -o*i - l*i = -40. Solve -4*j - i = -2*j for j.

-5

Let o(w) = w**2 - 7*w + 6. Let j be o(7). Solve 0*d = 3*d - j for d.

2

Suppose 5*a - 2*n - 20 = 0, -3*n = 5*a - 18 - 2. Solve 4*r + 16 = a for r.

-3

Suppose -2*y + 1 = 5*w, -2 = -5*y + 2*w + 15. Solve 0 = x - 2 - y for x.

5

Let z(o) = -o3 + 6*o2 + o - 3. Let y be z(6). Suppose -a + 2 = -4*f, f - 4*a = -y - 5. Solve -j + 5*j - 8 = f for j.

2

Let v(o) = o3 + 2*o2 - o - 2. Let r(h) = -h**2 + 2*h + 1. Let p be r(-1). Let y be v(p). Let g be y/3 - -2 - 2. Solve g = -2*d - 9 - 1 for d.

-5

Let s be (-12)/10*(-5)/2. Solve -s*h = h for h.

0

Let j© be the second derivative of -c⁵⁄₂₀ - 7*c⁴⁄₁₂ + 7*c³⁄₆ - 5*c²⁄₂ - c. Let m be j(-8). Solve -g = -m*g - 4 for g.

-2

Let n = -4 + 5. Let i be (n + 0 - -1)/2. Solve 4*c + i = -11 for c.

-3