Question:
Solve -1827*x - 1442*x + 59302 = -31982 - 248 for x..

Answer:
28

Question:
Solve -142*r = -135*r + 28 for r..

Answer:
-4

Question:
Solve 0 = -5*v + 4 + 6 for v..

Answer:
2

Question:
Solve 42*c + 38 = -130 for c..

Answer:
-4