Solve -10*f + 4 = -2*k, 4*k + 29*f - 13 = 28*f for k.

3

Solve 3*a + f = 1, -4*a = -4*f + 5*f for a.

-1

Solve 2*p - 12 = 5*q - 3*q, 0 = -3*p - 4*q - 10 for p.

2

Solve -3*i + i + 2 = -r, 3*r + 4*i = -6 for r.

-2

Solve -447*q + 451*q = -r - 2, 0 = 3*q + 3 for r.

2

Solve 4*w - 7 = 5*x, x - 2*w = -0 + 1 for x.

-3

Solve 4*n = -2*l - 16, 4*l - 19 = 5*n + 6*l for n.

-3

Solve 0 = -3*g - v, -241 = 4*g - 5*v - 222 for g.

-1

Solve -2*t = -2*v - 8, -5*t = 8*v - 4*v + 7 for v.

-3

Solve 9 = 3*c + 4*m, -m = 4*c - 0*m + 1 for c.

-1