Suppose -2*x - 2*x = -4, -6 = -a - 5*x. Solve a = -z - 0 for z.

-1

Let r be 13/(-39)*(-6)/(1 - -1). Suppose -8 = -4*v + 4. Suppose 5*c + 13 = 3*x, -4*c = -2*x + v + 7. Solve -x = -n + r for n.

2

Suppose 4 = k - 0. Suppose 3*l + 5*r + 5 = -k, -l - 4*r = 10. Let x be (l + 6/(-3))/(-2). Solve x*z + 5*z - 20 = 0 for z.

4

Let w(n) = n - 2. Let s be w(4). Let y(t) = -4*t - 1. Let u be y(-1). Suppose -2*h - 3*m = u*h + 12, -3*h - 5*m - 20 = 0. Solve h = -3*g + s*g + 4 for g.

4

Let l be (-133)/(-7) - (-1 - 0). Suppose 0*w - l = -5*x - 4*w, 2*w - 10 = 0. Solve -5 + x = -k for k.

5

Let j be 21(-9)/(-6). Let o = j - 8. Let s(h) = h3 + 6*h2 + 4*h - 2. Let r be s(o). Solve -2*i + 20 = r*i for i.

4

Let g® = 2*r3 - 7*r2 + 4*r - 1. Let t be g(3). Solve -s = t*s - 15 for s.

5

Suppose 2 = 2*g - 5*s - 0*s, 2*s - 34 = -5*g. Solve 5*w + 1 = g for w.

1

Suppose 2 = 2*g - a + 3*a, 0 = 3*a + 15. Solve 0 = 4*n - g - 6 for n.

3

Suppose -5 = -3*d - 17. Let y© = c**2 + 3*c - 4. Let j be y(d). Solve 4*u + 16 + 4 = j for u.

-5