Question:
Solve -95*k - 20*k - 2170 = 15*k + 87*k for k..

Answer:
-10

Question:
Solve 0 = -12*a + 5*a for a..

Answer:
0

Question:
Solve 8486*u + 75693 - 814093 = -9974*u for u..

Answer:
40

Question:
Solve 8741*p + 513104 + 186376 = -974*p for p..

Answer:
-72