Question: What is the solution?

Solve -150*z - 158*z - 12420 = 106*z for z.

Answer: -30

Question: What is the solution?

Solve 110*x + 860 + 780 = -54*x for x.

Answer: -10

Question: What is the solution?

Solve -414020*y + 414047*y + 945 = 0 for y.

Answer: -35

Question: What is the solution?

Solve -61*f + 205 - 632 = 0 for f.

Answer:
-7