Suppose -5*l = -20, -2*r - 3*l + 18 = -r. Solve 2*k + 0*k + r = 0 for k.

-3

Let k = -51 - -51. Solve k = -h + 2*h for h.

0

Suppose 0*k - 3 = -k - g, -4*g + 12 = 0. Suppose 0 = 2*f - 5*f + 60. Suppose -4*m + f = m. Solve 0 = z - k + m for z.

-4

Suppose 2*w - 3*y - 7 - 12 = 0, -y - 1 = 0. Solve w*p = 3*p + 10 for p.

2

Suppose 4*u = -u + 15. Let b = u - -5. Solve -b = -3*l + 1 for l.

3

Let o be (-6)/(-4)*83. Solve 3*k - o*k - 5 = 0 for k.

-5

Let o(q) = q2 - 6*q + 5. Let a be o(5). Let j(m) = -m3 - 5*m**2 + 12*m + 38. Let c be j(-6). Solve -6 = -c*t - a*t for t.

3

Suppose -3*o = -4*b - 41, 0*b + 63 = 4*o + 3*b. Let z(m) = m3 + 12*m2 - m - 8. Let x be z(-12). Solve x*a = o - 35 for a.

-5

Let m(n) = n**2 + 7*n - 12. Let y be m(-9). Solve -3*j - 12 = -y*j for j.

4

Let l(d) = d**2 + 10*d + 19. Let n be l(-8). Solve -w - 2 = n for w.

-5