Solve -5*r + 20*x - 9 = 16*x, -1 = -r - 2*x for r.

-1

Solve -25 = -3*c - 4*v, 4*c - 7 = -c + 2*v for c.

3

Solve 5*u + 4*s + 4 = u, 4*s = 5*u + 14 for u.

-2

Solve -3*n + 3 = -5*b, 0*n - 5*n - 5*b = 35 for n.

-4

Solve -13 + 2 = 5*y - f, -5*y + 2*f - 7 = 0 for y.

-3

Solve y - 42 = -9*n, 0 = -n - 4*y - 5 + 33 for n.

4

Solve 0 = 3*r - 10*h + 6*h + 14, 2*r + 5*h - 29 = 0 for r.

2

Solve 7 = -5*t + 4*s, 7*t - 7 = 3*t - s for t.

1

Solve -7 = -c + 4*d, -6*c + 4*d + 16 = -2*c for c.

3

Solve 6*y + 14 = 3*y + 4*g, -12 = y - 5*g for y.

-2