Solve 0 = 3*a + 15, 8 = m + 2*a + 15 for m.

3

Solve f + 3*z = 13, -5*z = 9*f - 6*f - 23 for f.

1

Solve -3*v + 5*j - 12 = 0, j - 4 = 3*v - 2*v for v.

-4

Solve 5*d - 11 = -i + 15, -4*d - 4*i = -24 for d.

5

Solve i - 3*r = -13, 9*i - 5*i - 4*r + 20 = 0 for i.

-1

Solve k = -2*t - 3*k - 4, -3*t = 4*k for t.

4

Solve 2*b - 5*b = 3*a - 12, 25 = 5*b for a.

-1

Solve -3*t = -8 - 1, -3*f + 2*t = -9 for f.

5

Solve -5*x + 2*h - 23 = 0, 0 = 2*x + 6*h - 11*h + 5 for x.

-5

Solve -4*u = 5*j + 15, -2*j - 6 = -0*u + 3*u for j.

-3