Write down the solution for this math problem: Solve -6787*g = -6954*g - 334 for g.
answer: -2

Write down the solution for this math problem: Solve -3*r - 28 = -28 for r.
answer: 0

Write down the solution for this math problem: Solve 0 = 210*h + 417*h + 21326 - 34493 for h.
answer: 21

Write down the solution for this math problem: Solve 0 = 7*d + 27 - 41 for d.
answer:
2