Solve -6*u + 7*u - 4*a = -21, 5*u + 2*a = 5 for u.

-1

Solve 0 = -5*u - 2*i - 1 + 2, -4*i = 4*u - 8 for u.

-1

Solve 3*o - 6 = 4*t, -3*o = 17*t - 22*t - 9 for t.

-3

Solve 6 + 10 = -2*k - 2*f, 0 = -4*k + 2*f - 8 for k.

-4

Solve -5*z + 10 = 5*j, -54*j - 24 = -58*j for z.

-4

Solve 5*j - 16 = 10*j - 2*d, -d = -4*j - 11 for j.

-2

Solve g + 4 = 0, -6 = 4*n - 4*g - 26 for n.

1

Solve -d + 21 = -4*t + 2*t, -3*t = -6*d + 27 for t.

-11

Solve -2*d = 3*d + 4*m + 5, -2*d - 5*m = -15 for d.

-5

Solve -4*r + 12 = 0, 3*r - 9 = 3*t + 9 for t.

-3