Let r = 43 - 40. Suppose -12 = -3*x - x. Solve r = -x*u + 12 for u.

Let a be ((-72)/28)/((-9)/42). Suppose 4*l - a = -0*l. Solve 0 = 3*j + l + 3 for j.

-2

Suppose -4*i - 3 = 3*d, 2*i + 12 = d + d. Suppose p = 5*p - 8. Suppose -p*r + 2 = -r. Solve -r*j - d = j for j.

-1

Let z(j) = 15*j**2 + 1. Let k be z(-1). Suppose 19 = u + 3*r, -u - r - k = -5*r. Suppose 11 + 14 = 5*l. Solve -v = u*v - l for v.

1

Suppose 28 = -4*r + 4. Let u(s) = -s**2 - 7*s - 1. Let g be u®. Suppose 7*k - 4 = g*k. Solve 0*x - k*x = 0 for x.

0

Let w be (-1)/((-27)/12 - -2). Solve -j = w*j for j.

0

Suppose 2 = v - 1. Let b(g) be the third derivative of g⁴⁄₈ - g2. Let c be b(v). Solve -3*m + 6*m = -c for m.

-3

Suppose -4*m + 50 - 16 = 3*q, 10 = -q + 4*m. Suppose q = -w + 3*y, 3*w - 5*w - 4 = -2*y. Solve w = -3*n - 9 + 3 for n.

-2

Let y(o) = -o + 6. Let g be y(12). Let a = g - -18. Solve 0 = -5*c - a + 37 for c.

5

Let p be (10 - 1) + (-9 - -5). Solve -4*b = -p*b - 4 for b.

-4

Let s(u) = 16*u*2 + u + 1. Let d be s(-1). Let b be (-1)/(10/d)-5. Solve -b = -i - i for i.

4