Let h = -6 - -9. Suppose 5*v = w + 3 + 21, h*v - 19 = -4*w. Suppose -4*f + 9 = w. Solve 6 = -f*k - k for k.

-2

Let r be 3*4⁄3 - (-13)/(-13). Solve -h = -r*h - 4 for h.

-2

Let d(a) = -a + 3. Let x be d(-7). Let u be ((-2)/(-2))/(5/x). Solve -u*h = -6*h for h.

0

Let f = -1 - 0. Let l be (-3)/f - (-1 + -16). Let h = 6 + 1. Solve h*i = 2*i + l for i.

4

Let q be (-1)/(-2) - (-27)/18. Solve 0 = -q*p + 1 + 9 for p.

5

Let a be 1⁄2 - (-120)/16. Suppose z + 3*v = -2, -4*z - 2*v = -6*v + a. Let d = 0 - z. Solve 0 = -3*n - 4 - d for n.

-2

Let r = -7 + 5. Let t = r + 4. Solve -f + 3 = -t*f for f.

-3

Let i(z) be the first derivative of z4⁄4 - 5*z3⁄3 - 7*z**2⁄2 + z + 3. Let f be i(6). Let x = f - -17. Solve 3*y + 0*y = x for y.

4

Suppose -a = 2*q - 7 - 10, 26 = 2*a + 2*q. Let s = -7 + a. Solve -1 = 3*w + s for w.

-1

Let o(m) = m3 + m2 - 2*m + 1. Let v be o(1). Let q be 6/(-2) - (-3 + v). Let j be q/2 - 33/(-6). Solve j*w - w = 16 for w.

4