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STatiana [176]
2 years ago
7

Can someone please help me with this?

Mathematics
1 answer:
Tomtit [17]2 years ago
8 0

Obviously, Ali is correct. Khamis did a mistake, he forgot the negative sign of  - 5, when he divided b. He should have let - 5b and divided it by - 5 like ali did.

Good Luck

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