Let a = -6 - -9. Solve -5*d + a = 18 for d.

Let d(i) = i**2 + 9*i + 9. Let p be d(-9). Solve 0 = -4*r + r + p for r.

3

Suppose -5*s = -0*s - 15. Suppose -5*q = -s*g - 0 + 1, -4*q - 19 = -5*g. Solve -1 - g = 4*b for b.

-2

Suppose 4*l = -6*h + 3*h - 43, -2*l + h - 9 = 0. Let t = l - -11. Let f be (-3)/9 - t/(-3). Solve 3*c - 5 - f = 0 for c.

2

Suppose 40 = -h + 6*h. Suppose -5*v - h = -7*v. Solve -4*z + 0 = v for z.

-1

Suppose -2*d - 25 = -5*z, -3*z + d + 5 = -2*z. Solve -z*v - 8 + 3 = 0 for v.

-1

Suppose -2*c + 2*a = -0*c - 6, 2 = 2*c + 2*a. Solve 0 = q - c + 5 for q.

-3

Let c(h) = 8*h + 8. Let o(q) = 7*q + 8. Let p® = -6*c® + 7*o®. Let y be p(-5). Solve -y*g = g - 16 for g.

4

Let t be ⁸⁄₁₂*4/(¹⁶⁄₆). Solve u + t = -0*u for u.

-1

Let u = 53 + 20. Suppose 4*i = -j + u, 9 = -2*j - j. Solve 4*t + 1 + i = 0 for t.

-5

Suppose 4*p + 3*w - 54 = 2*w, 3*w - 6 = 0. Suppose -4*o = -n + p, 2*n + 3*o = 3 - 10. Let m = 1 + n. Solve 12 = -m*x + 5*x for x.

4