Solve 3*f - 215*a + 3 = -220*a, 3*a = -9 for f.

4

Solve 10 = -4*r - 2*s, 0*s = 3*r - 3*s + 21 for r.

-4

Solve -5*x - 10 = -2*a, 4*x + x + 4*a = -40 for x.

-4

Solve 16 = 4*d, 20 = -2*m + 5*d - 2 for m.

-1

Solve 3*t + 4*y + 22 = 0, -3*y = -5*t + 6 - 4 for t.

-2

Solve -4*s + s = 5*a + 10, 0 = 3*s - 15 for a.

-5

Solve 5*j = -5*i - 10, 3*j = -i - 0 + 4 for j.

3

Solve -3*m - 4*z = -5, -z - 3 = -8 for m.

-5

Solve -2*k + 2*u + 2 = -k, 16 = 5*k - 4*u for k.

4

Solve 5*w - 8*c = -7*c - 7, -3*c + 1 = -5*w for w.

-2