Solve 5*t = f + 9*t + 19, 4*f = 3*t for f.

-3

Solve 2*s - 20 = 2*v, 4*s + 44*v - 4 = 39*v for s.

6

Solve 3*a + 0*a - 5*u + 3 = 0, -3*u + 29 = 5*a for a.

4

Solve -5 = -5*u - 0, 0 = n - 3*u + 3 for n.

0

Solve 3*b = 5*l - 9*l + 24, 3*l + 4*b - 25 = 0 for l.

3

Solve 7*z + 4*x - 27 = 0, -5*x + 13 - 8 = 3*z for z.

5

Solve t = -3, 5*t - 4 = 4*r - 3 for r.

-4

Solve 4*c + 5*v = 47 - 34, -c - 2*v = -7 for c.

-3

Solve 4*u = -2*v + 18, -4*v - 13 = -53*u + 54*u for u.

7

Solve 3*z + x + 2 = 0, 0 = 4*x - 7 + 3 for z.

-1