Let j(m) be the second derivative of -4*m**4⁄3 + 2*m. Let a be j(-1). Let r be (a/(-6))/((-8)/(-12)). Solve 15 = r*u - u for u.

5

Let j(u) = -2*u**2. Let x be j(-2). Let a© = -2*c. Let k be a(x). Solve -3*g = g - k for g.

4

Let a be (1/(-2))/((-1)/28). Suppose -6 = -2*z - 0. Solve 2 = -z*g + a for g.

4

Suppose -d - 5*i + 20 = 0, i + 12 = 6*d - 3*d. Solve -d*b - 7 - 13 = 0 for b.

-4

Suppose -20 = -4*p - 4. Suppose -10 = -p*h + 2. Suppose -4*z + 14 = -h*a, 0*z = z - 5. Solve -j + a = -1 for j.

3

Let b be (10*1)/(-2)*1. Let w be (b/15)/(2/(-6)). Let s(p) = -2*p - 2. Let m be s(-3). Solve m*x + 15 = -w for x.

-4

Let m = 171 - 159. Solve -4*q - m = -q for q.

-4

Let l(m) = -m**2 + 4*m. Let b be l(3). Let z be (2/(-2) - -1)/2. Solve b*o + 8 + 4 = z for o.

-4

Let d(n) = -n**2 + 8*n + 11. Let j be d(10). Let s be j/(-5 + 2) + -3. Solve s*w = -2*w - 4 for w.

-2

Let o = -215 + 217. Suppose -n + 2 + 1 = 0. Solve -k = -o*k - n for k.

-3