Question:
Solve -7*m + 3 + 11 = 0 for m..

Answer:
2

Question:
Solve -235511*z + 31212 = -234899*z for z..

Answer:
51

Question:
Solve -480*d - 2 = -493*d - 80 for d..

Answer:
-6

Question:
Solve 30 = 23*o + 6 + 51 + 19 for o..

Answer:
-2