Write down the solution for this math problem: Solve -r + 3260 = 3264 for r.
answer: -4

Write down the solution for this math problem: Solve -390*z + 225*z + 294*z = -3354 for z.
answer: -26

Write down the solution for this math problem: Solve 3*w = 5*w + 2 for w.
answer: -1

Write down the solution for this math problem: Solve -9 = 14*t - 65 for t.
answer:
4