Solve r + 0*j + j = -2, 5 = -j for r.

3

Solve u = -5*r + 20, 171*u - 12 = 167*u - 3*r for u.

0

Solve -5*s + 11*m - 22 = 10*m, 4*s = -4*m - 8 for s.

-4

Solve 2*p + 3*d + 1 = 0, -3*p + 2*p - 5*d - 4 = 0 for p.

1

Solve -7*j + 31 = -5*s - 10*j, -5*j - 17 = 4*s for s.

-8

Solve -3*t - 8 = -2*s, 0 = t - 18 + 16 for s.

7

Solve b + 2*n + 9 = 0, 2 = -3*n - 7 for b.

-3

Solve -2*f = -5*s - 0 - 16, -s + 1 = f for f.

3

Solve -5*k = -5*u + 2*u + 7, -9 = 2*k + 5*u for k.

-2

Solve 2*t - z = -t + 13, 3*z + 19 = 5*t for t.

5