Solve 5*s - 37 = -3*i, -4*s - 2*i - 3*i + 40 = 0 for s.

5

Solve 3*j - 6 = l - 2, -l + 8 = j for l.

5

Solve 0 = -2*z + q + 10, -7*q + 10 = z - 10*q for z.

4

Solve -3*w - 2*f = -17, -6*w + 7 = -5*w + 2*f for w.

5

Solve u - 2*g - 8 = 2, 2*g = -4*u + 10 for u.

4

Solve -4*o - 5*y = 31, -5*o - 9 = -4*y - 1 for o.

-4

Solve 0 = -2*x - 3*k + 16, -2*k + 2 = -15*x + 12*x for x.

2

Solve 23 = -5*r - 2, -3*o = -r + 4 for o.

-3

Solve -21 = 3*g - h - 5, 0 = 5*g - 2*h + 28 for g.

-4

Solve -5*d + 2*b + 18 = 0, -24 = 4*d + 2*b - 42 for d.

4