Question:
Solve 0 = 83*t - 71*t for t..

Answer:
0

Question:
Solve -1267 + 913 = 348*v - 3138 for v..

Answer:
8

Question:
Solve 12*k - 40*k - 7 + 91 = 0 for k..

Answer:
3

Question:
Solve 0*n - 5*n = -10 for n..

Answer:
2