If 7 times a certain number is decreased by 8 and the result is equal to 20. find the number

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Jerielle asked Jul 18, 2023

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If 7 times a certain number is decreased by 8 and the result is equal to 20. find the number

Mathematics
high-school

Jerielle asked Jul 18, 2023

by Jerielle

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30 votes

Answer:

certain number=4

Explanation:

7x-8=20 then solve

Kamruz answered Jul 19, 2023

by Kamruz

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9 votes

Hello,

Answer:

number= 4

Explanation:

7x - 8 = 20

⇔ 7x - 8 + 8 = 20 + 8

⇔ 7x = 28

⇔ 7x/7 = 28/7

⇔ x = 4

Borja Tur answered Jul 23, 2023

by Borja Tur

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