Question:
Solve -61*s - 115 + 35 = -53*s for s..

Answer:
-10

Question:
Solve 2*h - 77 = 13*h for h..

Answer:
-7

Question:
Solve -48 + 123 = -752*j + 747*j for j..

Answer:
-15

Question:
Solve 81*n - 45*n = 35*n - 2 for n..

Answer:
-2