Solve 5*a - 4*b = -15, 2*b - 28 = 5*a - 23 for a.

1

Solve 5*m + 5*z = 25, -2*m - 10*z = -6*z - 16 for m.

2

Solve -27*s + 32 = -19*s, 5*s = -4*d + 12 for d.

-2

Solve 2*m + 5*j - 18 = 0, 8*m + 3 = 13*m + 2*j for m.

-1

Solve 0 = -4*z - 3*i - 29, -5*z + 2*i - 18 = 1 for z.

-5

Solve -f = -3*m - 12, -4*m - 2*f = 8 - 2 for m.

-3

Solve -t = -1, -7*t - 10 = -5*u - 12*t for u.

1

Solve 0 = -2*y + 2*a + 8, a + 25 = -y + 29 for y.

4

Solve 2*c + 26 = -4*b, 3*b - 31*c + 29*c + 2 = 0 for b.

-4

Solve -5*y - 20 = 6*p - 9*p, -5*y - 20 = -5*p for p.

0