Solve -l = -r - 3, 21*r + 2*l = 26*r + 3 for r.

1

Solve 5*l = 4*h - 2*h + 8, -2*l - 4 = h for l.

0

Solve j + 4*z + 5 = 0, 0*z = 5*j - 3*z + 2 for j.

-1

Solve 3*f - 3 = -2*n, 0 = -5*f + 6*f + 1 for n.

3

Solve -19*l = -22*l - 4*o + 5, 2*l - 5 = -o for l.

3

Solve s + 5*u - 10 = -31, -4 = u for s.

-1

Solve 11 = h + 4*v, 8*v - 10*v = 4*h + 12 for h.

-5

Solve 2*a - 35 = -5*n, -4*a + 2*n + 30 = 4*n for a.

5

Solve 0 = -3*s - 12, -4*s = -5*h + 9*h for h.

4

Solve 6*j = 4*k + 2*j - 8, 0 = -4*k - 4*j + 32 for k.

5