Let s(w) be the first derivative of -w**2 - 4*w + 7. Let l be s(-2). Solve 4 = -v - l*v for v.

-4

Let a = -78 + 78. Solve -v + a = 4 for v.

-4

Suppose 25 = 9*a - 11. Solve -o + a*o = -15 for o.

-5

Let y = 10 + -7. Solve -c - y = -5 for c.

2

Suppose -2*n + 36 = -3*n + 5*f, -5*n - 224 = -3*f. Let q be 2/(-11) + n/(-11). Solve 10 = q*c + c for c.

2

Let t be 2⁄3 + (-30)/(-9). Suppose -3*u + 2*u + t = 0. Suppose u*i - i = 15. Solve i*m = m - 16 for m.

-4

Suppose 5*b - 11 = 5*y + 14, -b - 4*y = 0. Let h(l) = l + 1. Let j be h(b). Suppose -g = -3*g + 2, -j*g - 10 = -5*v. Solve -v*m + 5 = 20 for m.

-5

Suppose -2*d - 3*d + 15 = 0. Suppose -d*x + 16 = 4. Suppose x*i - 9 = 11. Solve i*u - 3 = 2 for u.

1

Let k = -16 - -20. Solve -k*b + 7*b = 0 for b.

0

Suppose 0*w - 3*w = -27. Suppose -b + w = 3. Solve 6*v = 3*v + b for v.

2