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30-09-2020
Mathematics

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what's equivalent to 2.5(4.2+7.4y)-3.6(8x-4.5y)-(2.4x+6y)

Respuesta :

30-09-2020

Answer:

-31.2x + 28.7y + 10.5

Step-by-step explanation:

Step 1: Write expression

2.5(4.2 + 7.4y) - 3.6(8x - 4.5y) - (2.4x + 6y)

Step 2: Distribute

10.5 + 18.5y - 28.8x + 16.2y - 2.4x - 6y

Step 3: Combine like terms

-31.2x + 28.7y + 10.5

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