Suppose -70 = -5*p - 5*r - 25, -5*p + r + 21 = 0. Suppose 2*z + 6 = p*z. Solve 0 = 3*o + z*o + 20 for o.

-4

Suppose -3*l = -4*g - g + 66, -5*l + 30 = g. Solve -2*t = t - g for t.

5

Let h be -2 - (3/(-3) - 8). Suppose 0 = 2*x - 0*x + 5*u + h, u = -x + 1. Solve 5*q - 19 + x = 0 for q.

3

Suppose 5*q - q = 0. Solve 3*x - 1 - 14 = q for x.

5

Let v be (-3)/(-4)*(-1 - -5). Suppose 4*h - 2*k = -6, -5*h - k = -0*k - v. Solve u = -h*u - 2 for u.

-2

Suppose 5*j - 19 = -4*o, 11 = 3*j + 5*o - 3. Let v = 108 - 96. Solve -j*f = f - v for f.

3

Let r(o) be the second derivative of -o3⁄6 - 2*o2 - o. Let n be r(-5). Suppose -w + 31 = -5*f, 1 = 2*w + 2*f - n. Solve 4*q - w = 14 for q.

5

Let s(k) = -k3 - 10*k2 - 5*k - 4. Let l© = c3 + 10*c2 + 6*c + 3. Let v(g) = 4*l(g) + 3*s(g). Let z be v(-9). Solve -2 = -w - z*w for w.

2

Let r(h) = -h3 + h2 - 1. Let l be r(2). Let d = l + 7. Let s = 0 + d. Solve -2*z = 6 + s for z.

-4

Let s be ((-1)/3)/((-1)/9). Let a(w) = w3 + 6*w2 - w - 4. Let l be a(-6). Suppose -2*r - l*r = 0. Solve r*c = -c - s for c.

-3