Q: Solve -1611*t + 280 = 1612*t - 3226*t + 106 for t.

A: -58

Q: Solve 0 = 1665*d - 331674 + 96909 for d.

A: 141

Q: Solve 96893 + 27025 = -2174*r for r.

A: -57

Q: Solve 0 = -245*h + 146*h + 780 + 210 for h.

A:
10