Question:
Solve 843058*q = 843196*q - 8142 for q..

Answer:
59

Question:
Solve -21*d + 0*d + 289 - 961 = 0 for d..

Answer:
-32

Question:
Solve -69*b + 109*b = 240 for b..

Answer:
6

Question:
Solve -46144*i = -46133*i - 143 for i..

Answer:
13