Write down the solution for this math problem: Solve -261*w - 230 = -215*w for w.
answer: -5

Write down the solution for this math problem: Solve 34*v + 100*v = -126 - 1750 for v.
answer: -14

Write down the solution for this math problem: Solve -45*u - 3458 = -190*u - 37*u for u.
answer: 19

Write down the solution for this math problem: Solve -23*c + 6*c = -77 - 25 for c.
answer:
6