Suppose -8*r = -3r + 150. Let h be (1 + -10)(-20)/r. Let a be (-78)/(-65)*(-20)/h. Solve n + 16 = -4*n + 3*u, 18 = -a*n + 5*u for n.

-2

Suppose 10*j = 11*j + w, -5*j + 4 = 4*w. Solve 3*c + 1 = -2*g - 0, 8 = j*c - 2*g for c.

1

Suppose 15*c = 18*c - 15. Let h(o) = 24*o - 21. Let l be h(1). Solve -c*x - l*u + 12 = 3, 2*x + u - 3 = 0 for x.

0

Let k = -35 + 41. Suppose 2*i - 6 = k. Let s = i - -16. Solve 0 = -3*m - 4*z + 1, -2*z = -2*m + z - s for m.

-5

Let v = 231 - 220. Suppose 5*i = -3*a + 9, -6*a + v*a + 4 = -2*i. Solve u + d = 1, -25 = -6*u + 2*u + i*d for u.

4

Suppose -58 - 50 = 9*o. Let j(f) = -f**2 - 16*f - 7. Let d be j(o). Let p = d - 36. Solve h - 3 = 2*q, 0 = 3*q + 2*q + p*h + 30 for q.

-3

Let j be (-490)/(-125) - ((-492)/(-100) - 5). Solve -5*l = 0, 3*t = j*t - 3*l - 2 for t.

2

Suppose -2*l - 2*t + 18 = 0, -4*l + 3*l + 2*t = 0. Suppose -5*y - 2*v + 12 = 0, 2*v + 2 = -y + l*v. Solve 5*n + 30 = 5*w, y*w - 15 = -0*w + 5*n for w.

5

Let t© = c3 - 6*c2 + 111*c - 524. Let o be t(5). Solve m = -s, s = 4*m + o - 1 for s.

1

Let a be -4*(-1)/22 - 141/(-11). Solve -2*r - 5*q + a = 4, 0 = -4*r - 4*q for r.

-3