Solve -1 = 2*y + 3*t - 5, -y = 2*t - 4 for y.

-4

Solve -4*y + 2 + 11 = -m, 3*y - 5*m = 31 for y.

2

Solve 77 = 5*z + 3*m + 79, m = -3*z + 2 for z.

2

Solve 3*c - 4*f = 5*c - 22, 0 = -3*c + 2*f + 1 for c.

3

Solve -3*q + 6 = -4*s, s - 26*q + 21*q - 7 = 0 for s.

-3

Solve -4*j + 7 = -5*d, 5*d = -4*j + d - 20 for j.

-2

Solve -3*b + 9*r = 14*r + 11, -b - 4*r - 6 = 0 for b.

-2

Solve 5*x - 8 = -3*q - 15, 4*q = 4 for x.

-2

Solve -5*z + 21 = -2*a, -3*a - 7 = -5*z + 12 for a.

2

Solve -y - 30 = 4*y - 5*p, -p + 18 = -4*y for y.

-4