Q: Solve:
Solve -1958*i + 15848 + 3866 = -21262 - 13848 for i.

A: 28

Q: Solve:
Solve 0 = 143*r - 92*r + 357 for r.

A: -7

Q: Solve:
Solve 56*x - 58*x + 8 = 0 for x.

A:
4