Question:
Solve 7644 = -104*j - 169*j for j..

Answer:
-28

Question:
Solve -1378*d + 836*d + 30894 = 0 for d..

Answer:
57

Question:
Solve 504*t + 9350 = 929*t for t..

Answer:
22

Question:
Solve 14421 = 110*o + 517*o for o..

Answer:
23