3 years ago

If x = 4y + 21y and y = 14 + 5, what is 3x × 7? No need to show your work.

Mathematics

2 answers:

podryga [215]3 years ago

7 0

y = 19

x = 4(19) + 21(19) = 76 + 399 = 475

3(475) × 7

1425 × 7

9975 <--- answer.

Hope this helped!

Nate

Brut [27]3 years ago

3 0

Answer:

the answer is 39

Step-by-step explanation:

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tigry1 [53]

Answer:

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