samuelesbronstein samuelesbronstein

07-04-2021
Mathematics

contestada

Which pair of expressions are equivalent?

27x + 45y and 7(9x + 7y)

2x + 18y and 2(x + 9y)

2(15x + y) and 30x + 15y

10(4x + 5y) and 20x + 10y

Respuesta :

MohamedAzaarena MohamedAzaarena

08-04-2021

Answer:

second one

Step-by-step explanation:

Because when you try to remove the brackets then you should multiply coefficient of x and coefficient of y by 2

So it will be 2x+18y

2*9=18

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good job