Solve 0 = -29*x + 30*x - 4*s + 15, 4*x + s - 8 = 0 for x.

1

Solve 5*f = -2*k + 10, 6*k - 4*k + 4*f = 6 for k.

-5

Solve 2*a - n - 4*n = -6, 4*a - 10 = -n for a.

2

Solve 5*v + 4*h = -6, v + 5*h + 1 = -17 for v.

2

Solve -4*m + 10 = m, 2*z + m - 8 = 0 for z.

3

Solve 4*q - 5*x = -25, -45 = 2*q + x - 50 for q.

0

Solve 27 - 22 = 5*a, 1 = -2*j - 5*a for j.

-3

Solve 7 = 3*s - 2*s - 4*w, 4*s = -3*w + 9 for s.

3

Solve c - 4*m - 24 = 0, 11*c + m = 15*c - 21 for c.

4

Solve 6 = 2*c + 3*i, -c + 19 = i + 18 for c.

-3