Solve 5*r + 20 = 5*m, 8*m - 11*m - 3*r + 18 = 0 for m.

5

Solve 0 = 4*k - 4*a + 6*a - 26, a - 31 = -5*k for k.

6

Solve -9*a - 8 = -7*a + 4*k, -4*a - 13 = 5*k for a.

-2

Solve -6*j + 10 = 5*i - 10*j, -2*i + 4*j = -16 for i.

-2

Solve 1 = 4*p + 3*f, 0*f = -3*p + 3*f - 15 for p.

-2

Solve 0 = 3*u - 2*o - 2*o + 19, -u = -5*o + 10 for u.

-5

Solve r - 3*x + 13 = -r, r = -4*x - 1 for r.

-5

Solve 14*j - 10*j = -r + 17, -2*r - 10 = -3*j for j.

4

Solve -4*q = -4*b, q - b + 6*b = -12 for q.

-2

Solve -4*t + 2*m = 0, -4*t + m = 5 - 1 for t.

-2