Solve 5*q + 20 = -4*f, -4*q + 5*q + 4 = 5*f for f.

0

Solve 0 = 2*v + f - 3 - 5, 0 = -v - 4*f + 11 for v.

3

Solve 36*x = 39*x + 3, r = 5*x + 10 for r.

5

Solve 97*g - 96*g - 4*z + 11 = 0, -3*z = 4*g - 13 for g.

1

Solve f + 7 = 2*u + 2*f, -2*f + 6 = 0 for u.

2

Solve 45 = 5*j - 5*s, 19*j + 3*s - 37 = 14*j for j.

8

Solve h - 20 = 4*d, 6*h - 20 = 2*d + 3*h for d.

-4

Solve -8 = -3*j + j + 4*v, 7 = -2*j - v for j.

-2

Solve q + 1 = 0, -d + 2*q + 5 = 1 for d.

2

Solve -3*a = -8*w + 3*w - 8, 16 = a - 5*w for a.

-4