Q: What is the solution?
Solve -1857 = -50*r - 1507 for r.

A: 7

Q: What is the solution?
Solve -10758*t - 2844 = -10521*t for t.

A: -12

Q: What is the solution?
Solve 54326 = 15103*h - 1712725 for h.

A:
117