question: Teacher asked me this: Solve 14*j = -21*j for j.
++++++++++
answer: 0
Solve -3*k - 7*k = 30 for k.
Solve this plz.

A: -3
QUESTION: Math problem: Solve 1954 - 3124 = 1632*x + 5358 for x.
ANS: -4
Q: What is the solution?
Solve -1659 + 1683 = -4*o for o.

A: -6
Write down the solution for this math problem: Solve -5233 + 28469 = -461*a - 167*a for a.
answer: -37
Q: Solve:
Solve 2091*s - 2072*s = 0 for s.

A:
0