Q: Solve 853 = -32*a - 30*a - 751 - 1186 for a.

A: -45

Q: Solve 27861 = -991*u + 69483 for u.

A: 42

Q: Solve 0 = -2*u + 17 - 15 for u.

A: 1

Q: Solve -740*d - 20536 = 202*d + 448*d + 4484 for d.

A:
-18