Let h = 27 - 18. Suppose -67 - 38 = -5*k. Let o = k + -10. Solve o = -5*x - h for x.

Let u® = -r3 - 5*r2 + 5*r - 1. Let o be u(-6). Suppose -4*v + 39 = 3*z, -2*v - 2*z = z - 27. Solve -k - o = -v*k for k.

1

Suppose -2*l - 3*l + 5*s = 0, -2*l = -5*s + 6. Suppose b - l*v = -4, 0 = 3*b + 4*v - 2 + 4. Let t = b - -6. Solve 3*r - 1 = -t for r.

-1

Suppose -9*w - 9*w = -72. Solve w*i = 5 - 1 for i.

1

Let j be ³⁄₉ + ¹¹⁄₃. Suppose c = j*c. Solve c*k + 2 = k for k.

2

Let j = -1 + 4. Suppose 3*d - 5 = -5*a + 1, j*d - 3 = -4*a. Solve a*s = 2*s - 4 for s.

-4

Let v(j) = -7*j - 44. Let n be v(-7). Solve n = 8*o - 3*o for o.

1

Let k(b) = b3 - 7*b2 + 8b + 4. Let h be k(6). Let p be h((-21)/6)/(-7). Solve 3 - p = 5*o for o.

-1

Suppose -2*r = -0*r. Solve -d + 3 = -r*d for d.

3

Suppose -s + 10 = 2*c - 2, 5*c - 2*s - 48 = 0. Let j(d) = -d - 6. Let h be j(-7). Let r be (-2 - 27/(-3))*h. Solve -5*a + r = -c for a.

3

Suppose 0 = 2*c + 2*p - 4, -5*c + 8 + 2 = -4*p. Suppose -3*g - 3*o + 60 = -0*g, c*g = 4*o + 34. Solve -1 - g = -5*s for s.

4