Solve 2*z - 2 = 2*a - 0*a, 5*a = -z + 25 for a.

4

Solve -2*t + 8 = 2*g, -15*g = -11*g - 2*t - 22 for g.

5

Solve -3*u = 5*i + 40, 25*u - 5*i - 30 = 26*u for u.

-5

Solve 5*z + 5*r = 20, 9*z - 12 = 4*z - r for z.

2

Solve p - 1 = -2*y + 10, 5*y - 27 = -2*p for y.

5

Solve 31 = -4*w - 5*u, 3*w - 8*u = -4*u for w.

-4

Solve -2*u - 34 = -3*t - 39, 3*u + 4*t + 18 = 0 for u.

-2

Solve 4*v = k + 4*k, -9 = -5*v + 4*k for v.

5

Solve 0 = x - 5*a - 15, -2*x + 4*a = -6*x + 12 for x.

5

Solve 4*x + 6 = -5*k - 0, -3*x - 14 = -k for k.

2