Solve 4*d - 17*t - 18 = -19*t, -d + 4 = t for d.

5

Solve 3*h - 303 = -321, 4*d = 2*h + 20 for d.

2

Solve -5*f = -5*t + 5, -4*t + 2*f - 3 = 5*f for t.

0

Solve 18*k + 4*m = 15*k - 28, 4*m = -k - 20 for k.

-4

Solve 5*s - 15 = 4*a, -4*a + 4*s = 28 - 12 for a.

-5

Solve -4*v = 2*j - 12, 11*v + j = 8*v + 8 for v.

2

Solve -p = y - 5*y - 17, -5*y = 3*p for p.

5

Solve -f + h = 3*h + 4, -6 = -4*f + 3*h for f.

0

Solve 4*y + 2*o + 22 = y, 35 = -5*y - 3*o for y.

-4

Solve -d = -4 - 0, c - 5*d = -16 for c.

4