Question:
Solve -2*c = -0*c - 6*c + 54 + 162 for c..

Answer:
54

Question:
Solve -643*d = -105*d + 110*d + 14256 for d..

Answer:
-22

Question:
Solve 18*j - 959 = -1139 for j..

Answer:
-10

Question:
Solve 42411*x + 255 = 42426*x for x..

Answer:
17