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I have 2 questions :

First one :

Simplify 17x-28x. Leave your answer in the form “ax” where a is a constant.

Second one :

It costs $13 to buy a chair and $20 to buy a desk.The amount of money it costs to buy a certain number of both is given by the expression 13c + 20d, where c is the number of chairs and d is the number of the desks. How much money will it cost to buy 10 chairs and 5 desks ?

Answer :

shinchan69

Answer:

1) -11x

2) 10c+5d

Step-by-step explanation:

Hope this will help:)

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