Question:
Solve 43*m - 558 = -76*m + 26*m for m..

Answer:
6

Question:
Solve -3*v = -v + 4 for v..

Answer:
-2

Question:
Solve -106*a + 56*a - 13 = -51*a for a..

Answer:
13

Question:
Solve 0 = 6*j - 10*j - 16 for j..

Answer:
-4