Solve -2*a + 3*n = -a, 3*a - 2*n - 7 = 0 for a.

3

Solve -b + 3*s = -8, 4*s = -6*b + 8*b - 12 for b.

2

Solve 0 = 5*d + 6*f - 10*f + 14, 3*d - f = -7 for d.

-2

Solve 8 = 3*v + 4*t, -7*v + 3*t = -12*v - 5 for v.

-4

Solve 0*i + 5*i = -2*d + 3, 5*d = -2*i - 3 for d.

-1

Solve -5*o = -3*b + 15, b = -2*o + 5 - 0 for b.

5

Solve 5*a - 19 - 10 = 4*o, 2*a = o + 11 for o.

-1

Solve 2*m + p + 2*p - 13 = 0, -m + 4*p + 1 = 0 for m.

5

Solve -5*p + 21 = -2*u, -3*p + 70 - 52 = -3*u for u.

-3

Solve 3*k + 5*q - 1 = 0, 11*k - 5*q - 1 = 13*k for k.

2