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ladessa [460]
3 years ago
13

15xy - 4 + 2xy -7xy - 1​

Mathematics
1 answer:
Eduardwww [97]3 years ago
6 0

Answer:

10xy-5

Step-by-step explanation:

15xy-4+2xy-7xy-1 is the given expression.

I assume the directions say to simplify.

Group the xy terms together and group the constants together.

15xy+2xy-7xy-4-1

This is a demonstration of the commutative property.

Now I will use the distributive property to rewrite the first 3 terms as a multiplication:

(15+2-7)xy-5

10xy-5

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