Solve -21*t + 32*t - 21*t = 0 for t.

0

Solve -2*r + 4 = 12 for r.

-4

Solve -281 = -13*x - 359 for x.

-6

Solve -23*m = -164 + 210 for m.

-2

Solve 3*z + 1 = -5 for z.

-2

Solve 9*d = -46*d + 495 for d.

9

Solve -19*m + 7*m - 24 = 0 for m.

-2

Solve -25 = 10*g - 15*g for g.

5

Solve 38*u = 48*u + 50 for u.

-5

Solve 25*w - 57 = -32*w for w.

1