Question

Solve by cross multiplication method: 3x + 5y = 21; −7x − 6y = −49. pls send your answer in a photo written i a note cuz its very hard to understand cross multiplication in text format. pls send correct answers. I will sure mark u as brainliest if u guve the correct answer

Answer 1

Answer:

Answer in the Attachment.

$\sf \bigg[ \sf \: x ,\: y\bigg] = \bigg[7, \: 0 \bigg]$