Suppose 0 = -4*n + 2*a + 90, -2*n + 39 + 21 = -4*a. Let j = 10 - 5. Suppose -4*y = 4*g - n, 14 = 6*y - j*y + 4*g. Solve -y*r - 6 = -4*r for r.

Suppose 5*n - 4*m = -4, -3*n - 2*m - 3*m = -5. Suppose 5*y = t - 28, -2*t + y = -n - 38. Solve 0 = -3*z + t - 3 for z.

5

Suppose -6 - 6 = -4*v. Suppose v*f = f + 10, -3*f = -3*y - 6. Solve k + y*k = 16 for k.

4

Let l be 2/(-5) - 97/(-5). Let x = -1 + 10. Let a = l - x. Solve -a = -0*c - 2*c for c.

5

Let l = 12 - 4. Suppose -5*u = -u - l. Suppose -2*k = -u*s - 8, 0*k + 12 = -3*k - 3*s. Solve 0 = -k*x + x + 2 for x.

-2

Suppose -x - 6 = -2*j, 2*j - 6 = 4*x - 0*j. Let v be (-6)/4*8/(-12). Solve s - v = -x*s for s.

1

Suppose 2*g = 0, 5*g = 3*w + 2*g - 6. Solve 3*j + w + 7 = 0 for j.

-3

Let b(s) = -s2 + 12*s + 2. Let r(n) = n2 - 13*n - 3. Let h(z) = -6*b(z) - 5*r(z). Let g be h(7). Solve -2*c = g*c for c.

0

Let v = 0 - -15. Let b be (v/10)/(¹⁄₂). Solve -u - b*u = 8 for u.

-2

Let t(u) = -3*u + 2. Let x be t(-2). Suppose -2*r - 3*r + v = -22, 4*r - x = 4*v. Solve -r*p + 3*p = -10 for p.

5

Let u(d) = d**2 - d. Let h be u(3). Suppose 0 = 5*f - 11 - 4. Solve -f*c + 0*c = h for c.

-2