Solve -15 = 2*j - 5*x, -3*j - 45 = -4*x - 40 for j.

5

Solve -3*v - 87*p = -91*p, -4*p + 12 = 0 for v.

4

Solve -5*q - 8 = p, -27*p + q = -29*p - 7 for p.

-3

Solve 19 = -3*l - 5*x, 3*l + 4*x - 3*x = 1 for l.

2

Solve -2*y - 1 = -3*u - 16, -12 = -y + 3*u for y.

3

Solve 0*k - 4*k - 22 = 2*m, 0 = 2*m - 2*k + 4 for m.

-5

Solve 4*a - 2*y - 12 = 0, 0 = 5*a - 35*y + 32*y - 16 for a.

2

Solve 5*t - 6*t + 12 = 5*u, u - 10 = -4*t for t.

2

Solve 4*j - 33 = 5*q, -2 = -q + 5*j - 17 for q.

-5

Solve 6*r - 2*r - 16 = 4*t, -t - 8 = -2*r for r.

4