Solve 9 = 3*r, -6 + 4 = -5*a + r for a.

1

Solve 5*n + 5 = 5*b, -5*n + 15*b = 13*b - 4 for n.

2

Solve -4*x = -3*t - 35, 0 = 3*t - x - 4*x + 40 for t.

-5

Solve -5*k = 2*p - 6*p - 4, 4*p = 4*k for k.

4

Solve -5*c + 3*j = -4 - 1, -3*c - 3*j - 21 = 0 for c.

-2

Solve a + 7*f - 4 = 6*f, 27 = 18*a + 3*f for a.

1

Solve -5*h + 35 - 7 = 2*j, 0 = -2*j + h + 4 for j.

4

Solve -4*t = 2*d, -d = -8*t + 7*t + 6 for d.

-4

Solve 2*a + 17*k - 12*k = 21, 4*k = -5*a + 27 for a.

3

Solve -3*b + 9 = -q - 4, 3*b = 5*q + 17 for q.

-1