Solve -3*q + 0 - 15 = 0, 4*p = -5*q - 21 for p.

1

Solve 3*a - 6 + 1 = 4*b, -4*b = -4*a for a.

-5

Solve 0 - 16 = 4*f, c + 21 = -5*f for c.

-1

Solve -15 = 5*d - 2*y, 5*y = -d + 4*d - 10 for d.

-5

Solve 2*p - p + 4 = 3*m, -4*m + 7 = -p for m.

3

Solve -62*h + 4*i = -58*h - 4, h - 16 = -4*i for h.

4

Solve 0 = y + 2*o, 8*y = 11*y - o + 7 for y.

-2

Solve -5*s = -5*x + 30, 5*s + 0*x + 10 = -5*x for s.

-4

Solve -2*a + 3 = -v + 2, 2*a = -5*v + 31 for v.

5

Solve r - v = 7, 5*r - 29 = -3*v + 5*v for r.

5