Let i(w) = -9*w + 67. Let n be i(7). Let d be 18/12*-5*n/(-6). Solve d*h - 20 = -4*x - 0*x, x - 5 = 3*h for x.

Let u(v) = -5*v2 + v + 10. Let a(z) = 9*z2 - 3*z - 20. Let d(o) = 4*a(o) + 7*u(o). Let s be d(8). Solve -2*i - 5*f + s = 0, 5*i + 44 = 5*f + 9 for i.

-3

Let x = 3081 + -3061. Solve -3*h - 20 = -4*n, 5*n - x = n - 2*h for n.

5

Let f be (4 - ¹²⁄₆)*(13 - (0 - 0)). Solve 4*b + 3*j + 45 = f, -2*b = 4*j + 12 for b.

-4

Let w(b) = -15*b - 40. Let o be w(-3). Suppose 18*l + 14 - 68 = 0. Solve -f - 4 = -o*g + 2, -26 = -5*f - l*g for f.

4

Suppose -5*m + 16 + 9 = 0, 0 = x + 5*m - 30. Let a(y) = y**2 - 16*y - 47. Let j be a(19). Solve x*d = r + 17, 33 = r + 5*d + j for r.

3

Suppose -4*z + 1518 = 3*x, -5*x - 1124 = 2*z - 5*z. Suppose -381 + z = -v. Solve -2*q = -v*y + 19, q = -3*q - 8 for y.

5

Suppose 0 = -14*t + 17*t. Suppose -3*r - 9 + 18 = t. Solve -r*i = -c + 6*c - 11, -2*c = -3*i + 4 for c.

1

Suppose -3638 = -335*f + 382. Suppose 2*i + 2*i = 100. Suppose -2*w - w - v + 4 = 0, i = -5*v. Solve 0 = -3*b, -3*b - 2*b = w*q - f for q.

4

Let c be ³⁴⁸⁄₆₆ - (-45)/(-165). Solve 26 = 4*r - 2*u, -c*r - u + 19 = u for r.

5

Let o = 53 + -38. Let m be (7 + 2)*5/o. Suppose -m*f + 10 = -f. Solve h - 4 = 2*l, -f*h - 24 = l - 0*l for h.

-4