Solve 4*h + 4*t + t = -21, -5*t - 23 = 2*h for h.

1

Solve 3*k = z + 2, -5*k = 3*z - 7 - 15 for k.

2

Solve -i - 9 = p, 0 = -i - 5*p + 7*p + 6 for i.

-4

Solve -5*z + w + 1 = 0, -6 = 4*w - 2 for z.

0

Solve 2*u + 3*d = 7, 8 = u - 75*d + 72*d for u.

5

Solve -9 = b + 5*c, 0 = 2*b - 3*c + 11 - 19 for b.

1

Solve 2*b = l + l, l + 2 = 0 for b.

-2

Solve 3*g - 4 = i, -5*i - 13*g = -11*g - 14 for i.

2

Solve c + 4*k = 15, 3*c - 4*k = -0*c - 19 for c.

-1

Solve -7*f + 11*f + 12 = 0, -12 = 2*l + 4*f for l.

0