Solve 4*a - 5*o + 40 = 0, 5*a + 2*o - 23 = 8*a for a.

-5

Solve -2*k = o + 7, -5*k + 37 = -5*o + 32 for o.

-3

Solve 3*u - 9 = -3*i, -3*u - 125*i + 128*i = -21 for u.

5

Solve 3*o - 11 = -4*k - 33, -5*k = 2*o + 24 for o.

-2

Solve -3*r - 18 = -2*u - 5*r, -3*r = 5*u - 37 for u.

5

Solve -5*g + 5*n - 22 = 3*n, g + 1 = -3*n for g.

-4

Solve 4*f + 3*l + 4 = 0, -2*f = f - 3*l + 3 for f.

-1

Solve 21 = -2*b - 3*j - 2*j, -2*j - 6 = 0 for b.

-3

Solve 5*f = -5*z - 10, -2*f = 2*z - 5*z - 21 for z.

-5

Solve 0 = 4*r + 5*p + 24, -5*r + 2*r + 1 = -p for r.

-1