Let l(w) be the first derivative of w4⁄4 + w3⁄3 + 3*w + 1. Let x be l(0). Solve -x = -3*j + 3 for j.

2

Let k be (-126)/(-35) - (-2)/5. Let b© be the third derivative of c5⁄60 + c4⁄6 - c3 - 4*c2. Let a be b(-6). Solve -a*o = -k*o for o.

0

Suppose -21 = 2*r - 5*b, -r - 2*b = 1 - 4. Let k be 1 - -3*1/r. Let g be (2 + -1)/(2⁄4). Solve -h - g - 3 = k for h.

-5

Suppose -4*h - y = -19, -4*y + 6*y - 8 = -2*h. Solve 16 = z - h*z for z.

-4

Suppose 2*u = -0*u. Solve -5 = -u*d - d for d.

5

Let h be (-1 + 1)/((-2)/(-1)). Solve -2*w + 0*w - 4 = h for w.

-2

Let c(l) = l**2 + 3*l - 3. Let s be c(-5). Suppose -s*y = -4*y - 6. Solve 4 = -y*d + d for d.

-4

Let q(x) = x**2 + 9*x - 2. Let f be q(-9). Let b be (1⁄2)/(f/(-40)). Solve 0*c + b = 5*c for c.

2

Suppose 0 = 5*i - 3*o - 22, 0*i - 4*i + 22 = 2*o. Solve -i*n - 16 - 9 = 0 for n.

-5

Let y = -1 + 4. Let k = -6 - -7. Let b = 12 + -5. Solve y*u + k = b for u.

2