Solve 3*d - 28 = -5*x, -2*d - 13 = -5*x + 2*x for d.

1

Solve -2*i + 2*u = 2, 17*u - 22*u + 20 = 0 for i.

3

Solve -2*s - k + 6*k = -19, -5*k - 17 = -s for s.

2

Solve -4*a - 4 = 4*x - 0*a, 0 = 5*x - 3*a - 19 for x.

2

Solve 2*x + 2*v + 2 = 6*x, 0 = 3*x - v for x.

-1

Solve -3*v + 22 = -k + 8, -5*k = -5*v + 40 for v.

3

Solve 0 = 3*s + 3*q - 3, 4*s - 2*q = -5 + 3 for s.

0

Solve -15*b - 3*k = -19*b - 17, -23 = 4*b - 5*k for b.

-2

Solve 3*t - 3*i = 14 - 2, -5*i = 5*t - 30 for t.

5

Solve 0 = -2*r + 26*k - 27*k - 4, -4*k = 0 for r.

-2