Solve 0 = 5*i + 15, 0*j + 2*i = -2*j for j.
3
Solve 0 = -2*f + 5*i + 8, 5*f = 8*f + 4*i + 11 for f.
-1
Solve 2*h - a = -11, -2*a - 1 = -3*a for h.
-5
Solve 2*c - 5*r - 5 = 2, -4*c - 28 = 4*r for c.
-4
Solve -5*x = 2*d - 21, -d + 12*x - 10*x - 12 = 0 for d.
-2
Solve 6 = 2*y - 2*z, 3*y - 3*z + 16 = -5*z for y.
-2
Solve 21 = -5*x - 2*q, -4*x = -0*x - 4*q + 28 for x.
-5
Solve 4*r = -9*p + 10*p + 11, -5*p + 4*r = 23 for p.
-3
Solve 2*x + 3*k - 11 = -7, -4*x + 5*k = 14 for x.
-1
Solve -5*i - 39*v + 43*v = 8, 0 = 4*i - 5*v + 10 for i.
0