Solve 13*d - 1 = 15*d - a, 3*d - 3*a = 0 for d.

-1

Solve 16*x - 3*u + 13 = 17*x, -3*u = -3*x - 21 for x.

-2

Solve -3*q = -2*x, -30*x + 31*x = 2*q - 1 for q.

2

Solve -f + 5*v - 15 = 0, 4*f = -2*v - 56 + 84 for f.

5

Solve g + 39*q - 40*q = 6, -5*g + q = -18 for g.

3

Solve 6*y = 10*y - g - 12, 0 = 3*y - 4*g - 9 for y.

3

Solve -4*c - 12 = 5*s, s = -0*c + 4*c + 12 for c.

-3

Solve 8 = -4*m + 4*h, -19 = 5*h - 4 for m.

-5

Solve 0 = -2*i + 4*m + 10, 5*i - 18 = 3*m - 0 for i.

3

Solve -5*n - 3 = -4*z, -z + 3*n - 155 = -154 for z.

2