Question: What is the solution?

Solve -90*u = -82*u + 40 for u.

Answer: -5

Question: What is the solution?

Solve -775 = 94*g + 165 for g.

Answer: -10

Question: What is the solution?

Solve 304*x - 297*x = -7 for x.

Answer: -1

Question: What is the solution?

Solve 1991*t - 205 = 2043*t + 1364 + 1031 for t.

Answer:
-50