Question:
Solve 0 = 1266*u - 1187*u for u..

Answer:
0

Question:
Solve -402*l + 161*l = -194*l + 2021 for l..

Answer:
-43

Question:
Solve -40*v - 262 = 37 + 61 for v..

Answer:
-9

Question:
Solve -6835*p + 345*p - 3743*p + 166945 - 473935 = 0 for p..

Answer:
-30