Solve 2*v + 3*r = 16, -5*v + 4*v - 5*r + 15 = 0 for v.

5

Solve -5*l - 10 = -5*j, 4*l - 2*j + 5 = -j for l.

-1

Solve 4*f + 0*f + 32 = -4*d, -26 = 2*f + 4*d for f.

-3

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

0

Solve 4*x - 4*b - 28 = 0, -3*x - 3*b + 7 = 4 for x.

4

Solve 0 = -5*r + 4*z + 17, 2*r + 4*z - 33 = -3*r for r.

5

Solve 4*d + 3*f - 86 = -99, 5*d + 3*f = -17 for d.

-4

Solve -20 = -5*v - 2*b - 3*b, 5*v = -b + 12 for v.

2

Solve 4 = o - h + 8, 14 = -2*o + 5*h for o.

-2

Solve 2*w + 4*j - 12 = 0, 2*w - j - 15 = -2*w for w.

4