Let f = -12 - -12. Solve -4*k - 10 - 6 = f for k.

-4

Suppose m - 6 = -l, -3*m + 21 = 7*l - 3*l. Suppose 3*b - 9 = l. Solve -2*a + 6 + b = 0 for a.

5

Let i = 31 + -26. Solve -i*t + 3*t + 6 = 0 for t.

3

Let r(t) = t**2 + 2*t + 1. Let n = 2 + -4. Let x be r(n). Let f = 0 - 0. Solve f = -2*d + 9 + x for d.

5

Let t = 2 + 1. Suppose 0 = -t*k + 7 + 5. Solve s - 9 = k*s for s.

-3

Let f(o) = -o**2 + 16*o - 8. Let i be f(12). Suppose -5*z + 3*z + i = -2*u, 3*z = -4*u + 60. Solve -4*s = s - z for s.

4

Let b be (-12)/102 - 36/(-17). Solve -t + b*t = -4 for t.

-4

Let r(p) be the second derivative of -p520 + 4*p43 - 5*p**32 - 4*p. Let w be r(15). Solve a + 2*a - 12 = w for a.

4

Let y© = 3*c3 - 4*c2 + 2*c. Suppose 2*i = 5*i - 18. Suppose i*j - 8 = 2*j. Let l be y(j). Solve 0*n = 3*n + l for n.

-4

Let b(n) = n**2 - 23*n - 45. Let t be b(25). Solve -t = 3*u + 1 for u.

-2