Question

verify the following don't spam otherwise I will report your answer​​ step by step​

Answer 1

Answer:

proved

Step-by-step explanation:

((-21+(-50))/70)+7/9=-3/10+((-45+49)/63)

(-71/70)+7/9=-3/10+4/63

(-639+490)/630=(-189+40)/630

-149/630=-149/630

Sorry I would have send a photo but it did not fit here so I need to type.

Hope this helps you please mark as brainliest

Answer 2

Answer:

Refer to the attachment ✌️