Solve h = t - 8, 7*t - h - 18 = 4*t for t.
5
Solve 2*r - 4*q = q + 24, -r + 2*q + 10 = 0 for r.
2
Solve -p + 2*r = -16, 2*r + 8 = 12*p - 13*p for p.
4
Solve 0*z + 5*w = 2*z - 21, -4*w = -z + 18 for z.
-2
Solve -4*z + 16 = 2*p, -2*p - 2*p - 18 = -2*z for z.
5
Solve -a - 17 = 5*y, 4*y + 19*a + 16 = 17*a for y.
-3
Solve u + 2*x - 5 = 1, 3*u - 16 = -4*x for u.
4
Solve 5*j + 3*t + 6 = 13, 0 = -t - 1 for j.
2
Solve 0 = -3*d - 3*m - 3, -14*d = -9*d - 3*m + 29 for d.
-4
Solve -p = 2*p + 5*k - 27, -5*p + 3*k = -11 for p.
4