Solve -648*t - 6 = -653*t - x, -20 = -2*t + 4*x for t.

2

Solve -3*z + 4*v = z + 24, 0 = -5*z + 4*v - 28 for z.

-4

Solve 2*s - 5*k = -20, -2*s - 6 = k + k for s.

-5

Solve -5*z = -9*f + 10*f + 20, 3*f = -5*z - 10 for z.

-5

Solve -14 = -5*h - 34, 3*h = k - 15 for k.

3

Solve 10 = 8*z - 3*z, -3*x + z = 11 for x.

-3

Solve 10 = f - 12*t + 17*t, 0 = -2*f + t + 9 for f.

5

Solve 2*x + 4*j + 18 = 0, -23*x = -22*x - 4*j - 15 for x.

-1

Solve 0*d + 10 = -3*d + 5*i, 0 = -3*i - 3 for d.

-5

Solve 0 = x + 2*l + 6, 9*l - 12*l = -3*x - 9 for x.

-4