Solve 3*d + 2*y = 9, 36*d + 2*y = 37*d - 3 for d.
3
Solve -5*x = 2*d - 8 + 13, 4 = -4*x + d for x.
-1
Solve -9*d + 4*d + 30 = -4*v, 0 = v - 5*d + 15 for v.
-5
Solve 5*r = -i + 20, 19*i - 3*r + 12 = 21*i for i.
0
Solve 1 = d + y, -2*d + 12 = 3*y + 6 for d.
-3
Solve 15*d = 3*f + 11*d - 3, 0 = -2*f - 2*d - 12 for f.
-3
Solve 3*l = -2*l + 5, -5*h + 5*l = 0 for h.
1
Solve -2*l = 12*h - 8*h + 16, -3*l = 2*h for l.
4
Solve 2*r - 5 = j, j + 3*r - 6 - 4 = 0 for j.
1
Solve h + 2 + 0 = -s, 5*s = -15 for h.
1