3x-y=4 2x+3y=21

Что-то пошло не так. Ошибка: Error code: 429 - {'error': {'message': 'You exceeded your current quota, please check your plan and billing details. For more information on this error, read the docs: platform.openai.com.', 'type': 'insufficient_quota', 'param': None, 'code': 'insufficient_quota'}}