lacey790 lacey790

31-03-2021
Mathematics

contestada

If x=5 and y=−2, evaluate the following expression:20−5y+2x

Respuesta :

31-03-2021

Step-by-step explanation:

20−5y+2x

20-5(-2)+2(5)

20+10+10=40

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madaradhamanjari madaradhamanjari

31-03-2021

Answer:

20 − ( 5 ) ( −2 ) + ( 2 ) ( 5 )

= 20 − ( −10 ) + ( 2 ) ( 5 )

= 30 + ( 2 ) ( 5 )

= 30 + 10

= 40

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