Let l be 1/(-6) - 49/(-6). Solve b = -3*b + l for b.

Let i = -5 + 6. Let j = i - -1. Solve -j*n = 3 - 1 for n.

-1

Let s(l) = l + 11. Let m be s(-7). Let u = m - 4. Solve -r + u*r = 0 for r.

0

Suppose -6*g = -3*g - 39. Suppose 5*x = -3*f + 4*x - g, -x - 23 = 5*f. Let c = f + 25. Solve -8*a = -3*a - c for a.

4

Suppose x - 80 = -3*x. Solve -7*b = -2*b - x for b.

4

Suppose 3*o - 17 + 5 = -3*t, 0 = -o - 5*t + 12. Suppose 4*k + 4*s = -s + 45, -o*k + s = -5. Solve -2*u + k = -u for u.

5

Suppose -3*d + 5 = -7. Suppose -1 = k - d. Let j be ¹¹²⁄₁₈ + 4/(-18). Solve k*l - j = 5*l for l.

-3

Let w(l) = -l + 3. Let p be w(2). Solve 21 = 4*s + p for s.

5

Let l(u) = 5*u2 - u - 1. Let w(t) = 4*t3 + 2*t - 1. Let f be w(1). Suppose -f*z = -5*b - 25, -2*b + 2 = -0*z + z. Let x be l(b). Solve -5*i - 30 = -x for i.

-5

Let f(t) = -t + 8. Let c be f(7). Solve -5*n + c - 6 = 0 for n.

-1

Let y(f) = 20*f3 + f2 - f. Let z be y(1). Suppose q - 2*q + z = -4*h, 3*q - 4*h = 28. Solve 0 = r + r + q for r.

-2