Let i(k) = k**2 - 8*k + 7. Let t be i(7). Suppose t = 6*w - w. Solve -3*y + 6 = -w*y for y.

Suppose 8 = 2*k - 2. Solve 0 = -2*u + k*u + 15 for u.

-5

Suppose -3*z + 0*z = -4*q + 18, 0 = 5*q + z - 13. Suppose -q*w + 19 = -0*d - d, -14 = -2*w + 2*d. Suppose 2*y = w*y. Solve y = 5*n - 12 - 8 for n.

4

Let n = -168 + 171. Solve -4*z - n = 13 for z.

-4

Suppose 5u - 148 = 17. Let p be (3 + u/(-9))-3. Suppose p*s - 5 - 3 = 0. Solve 0 = f - s for f.

4

Suppose -2*a + 3*a - 15 = -3*c, 2*a + 10 = 4*c. Suppose 3*x - 9 = q - 2*x, 0 = -5*q - c*x + 13. Solve r = -1 - q for r.

-2

Let j be (-126)/(-8) + (-6)/8. Suppose 2*p - 2 = -10. Let q = -2 - p. Solve -q*i = 3*i - j for i.

3

Let n be ⁴⁄₁₀ + ²⁶⁄₁₀. Suppose -16 = -2*r + 4*m, -5*r - 4*m + n*m - 4 = 0. Let c be ²⁄₄*r/2. Solve c*i + i = 0 for i.

0

Let y(z) = z3 + 12*z2 - 27*z + 14. Let a be y(-14). Solve -h + 6*h + 15 = a for h.

-3

Let f = 35 - 32. Solve 4 = f*d - 2*d for d.

4

Let d = 47 - 47. Solve d*h + 3*h = 0 for h.

0