Solve -l + 82*r - 86*r + 15 = 0, -l + r = 0 for l.

3

Solve -4*q + 6 = 2*s, 4*s - 14 = 6*s - q for s.

-5

Solve -5*n = -2*a - 28, -n = -3*a - 7 - 9 for n.

4

Solve 0 = -5*p + 3*m - 8*m - 40, -2*p - m - 12 = 0 for p.

-4

Solve -3*p + 8 = 5*i, -5*i + 7 + 5 = 2*p for i.

4

Solve p + 27 = 5*v, -5*p - 4*v - 25 = -7*v for p.

-2

Solve 3*z + 41 = -5*m + 6, 4*z = -5*m - 40 for m.

-4

Solve -4*f + h + 11 = 16, -5*h = -4*f - 9 for f.

-1

Solve -2*j + 16 = -f + 15, 3 = -3*f for j.

0

Solve 18*m - h + 7 = 17*m, -11 = -m - 5*h for m.

-4