Let n = 86 + -86. Suppose 2*r + r - 15 = 0. Solve r*c = -n*c for c.

0

Let f(m) be the second derivative of -m3⁄6 - m2⁄2 - 9*m. Let z be -4 - (-2)/1 - 1. Let d be f(z). Solve -d*r - 6 = -5*r for r.

2

Let x be 91⁄28 + 4/(-16). Solve 2*r = -x - 3 for r.

-3

Let h be (-5)/(15/(-6))*2. Suppose 2*r + 2 = -5*c, 4*c + h*r + 4 = -c. Solve -z = -c*z for z.

0

Let z(x) = x3 + 8*x2 + 6*x - 7. Let u be z(-7). Solve u = -k + 1 + 1 for k.

2

Let b be -2 - (-9)/((-36)/(-40)). Suppose 0 = -4*h - 8, -4*y + 5*h = h - b. Solve -4*x = -y + 4 for x.

-1

Let n(w) = 3*w + 3. Let k(q) = q + 1. Let i(t) = 14*k(t) - 4*n(t). Let y be i(-1). Solve y*x + x + 5 = 0 for x.

-5

Let l = 4 + 0. Suppose -5*z + 24 = l. Suppose 3*y = -z*d + 3 + 9, -d = -4*y - 3. Solve -3*q = -y*q for q.

0

Let j be (16/(-6))/((-2)/(-6)*-2). Solve 3 = -5*f + j*f for f.

-3

Let g(z) = -z - 3. Let u be g(-3). Suppose -m + u = -6. Let j be 0*(3/m - 0). Solve j = v - 0*v + 2 for v.

-2