Suppose 499*r - 471*r - 84 = 0. Solve -5*f - 25 = 8*a - 10*a, 3*a + 4*f - r = 0 for a.

5

Let q(t) = -7*t - 65. Let a be q(-12). Let h = a + -16. Solve 2*v - h*i = -2*i + 1, 5*v - 4 = 3*i for v.

-1

Suppose m - r = -5, 4*m + 7*r = 5*r + 10. Solve -5*u - 4 = -6*u, 4*q + 4*u - 8 = m for q.

-2

Suppose -1210 + 388 = -6*u. Let t = -132 + u. Solve t*g + 2 = 4*l + 5, 0 = -4*l + 12 for g.

3

Let o = 14 - 10. Suppose -54*j + 9*j + 36 = -27*j. Solve -5 = 5*r - 4*r + o*n, -j*n = 0 for r.

-5

Suppose -87*k = -86*k - 9. Suppose 5*r + k*i - 30 = 4*i, 5*i + 50 = 5*r. Solve 4*h = r*h + 5*z - 41, 0 = -3*h + 4*z - 8 for h.

4

Suppose 3*u - 34 = 5*u. Let l = u - -26. Solve 0 = z - 2, 3*z = -a + 6*z - l for a.

-3

Let u(b) be the second derivative of b55 - b412 - b36 + 3*b22 - 15*b - 1. Let w be u(1). Solve -3 = -3*y, -w*o + 0*y - 24 = y for o.

-5

Let c be 32212 - 8/(-480)*10. Solve -5*y - 18 = -j + 6, -5*y = 2*j + c for y.

-5

Suppose 15*t = 18*t - 16 - 2. Solve -4*q - 8 = 2*u, -2*u + 7*q = t*q - 2 for u.

0