Question:
Solve -13*j = -8 + 47 for j..

Answer:
-3

Question:
Solve -144 = -1330*a + 1346*a for a..

Answer:
-9

Question:
Solve 0 = -71*s + 51*s + 240 for s..

Answer:
12

Question:
Solve 12*p + 2218 = 2314 for p..

Answer:
8