Solve -c = 3*s + 18, -4*s + 9*c = 8*c + 17 for s.

-5

Solve -7 = 2*r - 3*x, -5 = -5*x - 0 for r.

-2

Solve -645*d + 647*d = -5*x - 25, x + d = -8 for x.

-3

Solve 3*m = 4*s - 27, 3*s - 52 = 5*m - 18 for m.

-5

Solve 4*j - 2 = 5*c + 28, -j + 13 = -4*c for j.

5

Solve 2*d = -2*d - 5*b + 36, -d - 2*b = -12 for d.

4

Solve -17*k - 4*n - 16 = -13*k, 2*n = 3*k - 3 for k.

-1

Solve m + 9 = k + k, 0 = 5*k + 2*m for k.

2

Solve 0*n - 6 = -2*i + 3*n, -4*i + 3*n = -12 for i.

3

Solve -z - q - 9 = 0, -5*q = 3*z - 11 + 48 for z.

-4