Solve 25*k = 20*k - 4*u + 20, 5*u = -k + 4 for k.

4

Solve -5*x = n - 13, 2 = -2*n - 2*n - 2*x for n.

-2

Solve 77*m - 81*m - 4*j = -16, 2*j - 2 = 0 for m.

3

Solve -2*t = 4 - 2, j = -5*t - 4 for j.

1

Solve -x = 4*a + 7, -25*a + 5*x - 7 = -24*a for a.

-2

Solve 0 = 3*a + y - 3, -3*y = a - 0 - 1 for a.

1

Solve -5*h + 150*a = 153*a - 8, -5*a = 2*h - 7 for h.

1

Solve 2*v - 6 = 3*d - v, 2 = -d + 3*v for d.

-2

Solve -2*f - 8 = -4*q - 4, -3*q + 3 = 4*f for q.

1

Solve -5*k = f - 20, k - 25 = 3*f - k for f.

-5