Suppose -4*d - u = 7, d + 3*u = -3*d - 5. Let m be 6/(-2)*d/(-3). Let r be (4 + m)/(2/3). Solve 0 = r*n - 2*n for n.

Let a = 31 - 19. Suppose a = n + 3*n. Let x = -1 + n. Solve -g + 0 = x for g.

-2

Suppose -4*u - 7 + 27 = 0. Suppose 0 = -u*z - 20, l + 1 = -4*z - 13. Solve l*q - 5 = 5 for q.

5

Suppose -2*f - 3*f = -5*l - 75, 3*f - l - 53 = 0. Let y = f - 16. Solve y = 2*n - 5 for n.

4

Let b be -1 - 2*3/(-3). Let u be ((-4)/(-12))/(b/27). Let w be 1/(1 - 6/u). Solve -8 + w = -g for g.

5

Suppose 0*z - 4*z + z = 0. Solve d + 6 - 3 = z for d.

-3

Suppose 2*b + 1 = 7. Suppose 2*o + 35 = 6*o + 3*x, 3*x - 27 = -b*o. Solve n = -n - o for n.

-4

Let i be 1/(-3) + ⁷⁄₂₁. Solve -4*h - 24 + 8 = i for h.

-4

Let v(g) = g**2 - 9*g + 10. Let s be v(9). Suppose -3*i + 0*i = -3. Suppose 5*h = -5*j - 25, 2*j - 3*h - 16 = -i. Solve -s = -2*p - j*p for p.

5

Suppose -20*o + 17*o = -15. Solve 4*z + 4 = o*z for z.

4

Suppose 6 + 0 = 2u. Let h be -3(u/3 - 2). Solve 2*m = h*m for m.

0