Solve -253*j - 164 = -249*j + 52*n, 0 = -n - 3 for j.

-2

Solve -4*x - 42 = 2*f, -6*x - 15 + 9 = -3*f + 39 for f.

-3

Solve -7*k + 2841*a = -2*k + 2845*a - 40, 5*k = -a + 25 for k.

4

Solve -3*r - 17*f + 16*f + 99 - 127 = 0, 0 = -3*r + 6*f + 273 for r.

5

Solve 2*n - y + 2974 = 2943, -40 = 5*n + 5*y for n.

-13

Solve 0 = -6*i - m + 26, 0 = -1515*i + 1513*i - 2*m + 2 for i.

5

Solve 3*b + m + 2*m - 9 = 0, -2*b - m - 2574 = -2580 for b.

3

Solve -18*r + y - 94 = 0, 3*y - 4*y - 840 = -844 for r.

-5

Solve 5*k - 3*f + 207 = 0, 4*k + 5*f + 16186 - 16050 = 0 for k.

-39

Solve 260*z = -r + 257*z + 16, -2*r = 12*z - 56 for r.

4