Let z = -4 - -6. Suppose -3*c = z*c. Suppose c = 3*q + 3, 2*r - 4*r + 13 = -5*q. Solve r*n = 2*n for n.

0

Suppose 3*c - 4*i = 19 - 3, -4*c = 3*i - 13. Suppose -c*v + 13 = -399. Suppose 5*n - v = -m, 2*n + m - 47 + 4 = 0. Solve n = -5*x + x for x.

-5

Let u = 0 - -1. Let s(k) be the second derivative of -k3⁄6 - 2*k2 - 3*k. Let a be s(-7). Solve 4 = -a*n + u for n.

-1

Suppose y = w + 16, -w = -3*y + 69 - 15. Let l = y + -15. Solve -l*z = -z + 15 for z.

-5

Let u be ((-1)/(-2))/((-10)/(-220)). Suppose -4 - u = -5*k. Solve k*z - 5*z = 6 for z.

-3

Let j be (3 - 2) + -1 + -2. Let x be j/5 - (-44)/10. Solve -q + x*q = -9 for q.

-3

Let v = 157 - 152. Solve -l + 7 = v for l.

2

Let z(w) = 1. Let y® = -r - 10. Let k© = -y© - 6*z©. Let t be k(-4). Suppose t = -b - b + 8. Solve b = -5*u + u for u.

-1

Suppose -j + 2 = -2*j, 0 = -4*m - 5*j - 2. Solve 3*u = 2*u - m for u.

-2

Let b = 7 - 6. Solve 2*a + 7 = -b for a.

-4