Solve -5*f + d = -29, 4*d + 15 = -f - d for f.
5
Solve 0 = 4*y + 12, -28*p - y - 8 = -29*p for p.
5
Solve 2*z + 4 = b, 4*b + 11*z = 9*z + 26 for b.
6
Solve -169*j + 5*u + 27 = -173*j, -3*j + 4*u = -3 for j.
-3
Solve 0 = -5*b + b + 3*x + 3, 0 = 5*b + 5*x - 30 for b.
3
Solve 2*f - 7*i + 22 + 5 = 0, 5*f - 5*i + 30 = 0 for f.
-3
Solve 2*k + t = -2*t + 4, -2*k - 28 = -5*t for k.
-4
Solve 0 = -8*f + 13*f - 5*r - 20, 2*f = r + 6 for f.
2
Solve 2*x = p - 11, 100 = -3*x + 88 for p.
3
Solve 8 = 4*z - 4*j, 0 = -3*z - 6*j + 2*j - 8 for z.
0