Question:
Solve 6*j - 4*j - 177 + 166 = -149 for j..

Answer:
-69

Question:
Solve -18*x + 16*x + 270 = 28*x for x..

Answer:
9

Question:
Solve f - 201 + 202 = 0 for f..

Answer:
-1

Question:
Solve -149*u + 81*u = -77*u - 72 for u..

Answer:
-8