Solve 5*r = 2*i + 21, -18*r + 22*r - 21 = 3*i for i.

-3

Solve 4*u + 2*m = -15 - 9, -2*m + 21 = -5*u for u.

-5

Solve -2*z + p = -3, 4*z = -4*p + 3*p + 27 for z.

5

Solve -5*q + 4*m = 28 + 8, -2*q - 2*m = 0 for q.

-4

Solve -3*n - 2*o - 2 = 0, 5*o - 10 = 3*n + 27 for n.

-4

Solve -3*f = b + 20, -2*f - 35 = 2*b + 3*f for b.

-5

Solve -5*p = -4*s - 1, 4*p + 4*s + 32 - 4 = 0 for p.

-3

Solve -10*b + 15*b - 2*w + 4 = 0, 9 = -3*w for b.

-2

Solve 8*x - 11*x = 3*w - 9, 0 = w - 5 for x.

-2

Solve 15 = -5*z, 428*z - 423*z = 4*q - 27 for q.

3