Solve -42*z - 4 = -40*z, 5*x + 14 = 3*z for x.

-4

Solve 3*f + 21 = 6*a - 3*a, -f - 1 = a for a.

3

Solve 3*g - 6 = 4*b + 9, 10 = 2*g + 5*b for g.

5

Solve -5*x - 90*r + 85*r - 20 = 0, 3*x - 2*r = 3 for x.

-1

Solve 5*a - 3*z + 6*z + 10 = 0, 0 = -4*a - 5*z - 21 for a.

1

Solve 0 = 5*u - 25, -8*c + 10*c + 9 = u for c.

-2

Solve 15 = 8*w - 9*w - 5*t, 4*w + t + 22 = 0 for w.

-5

Solve -5*c + 5 + 20 = -5*q, 5*q = -c - 19 for q.

-4

Solve 5*a - 16 = 3*u, 4*a = -41*u + 37*u for a.

2

Solve 5*x = z + 12, -2*z + 11 = -4*x + 23 for z.

-2