Solve -4*b - 7 = -z, 4*b = -3*z - 18 - 9 for z.

-5

Solve 0 = r, 0 = -3*x + r - 12 + 18 for x.

2

Solve -5*t + 4 - 9 = 0, -4*m + 2*t = -18 for m.

4

Solve 5*h + 16 = 5*t - 4, h = -3*t + 8 for h.

-1

Solve 2*s + 16 = 3*v + 5, -2*v + 5*s = 0 for v.

5

Solve -3*v - 2*c + 11 = -4*v, c - 19 = 5*v for v.

-3

Solve -k = 4*v + 2*k - 23, 2 = 2*k for v.

5

Solve 30*y - 18 = 26*y - n, 0 = y - 3*n - 11 for y.

5

Solve 5*y + 35 = 5*n, 90 = -3*n + 2*y + 110 for n.

6

Solve -j = 4*h + 17, j + 3*h = -0*h - 14 for j.

-5