84=4(3x + 3) Need that help

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FearlessFuture asked Jun 17, 2023

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15 votes

84=4(3x + 3)
Need that help

Mathematics
college

FearlessFuture asked Jun 17, 2023

by FearlessFuture

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1 Answer

12 votes

Answer:

x = 6

Explanation:

$84=4\left(3x+3\right)\\4\left(3x+3\right)=84\\(4\left(3x+3\right))/(4)=(84)/(4)\\3x+3=21\\3x+3-3=21-3\\3x=18\\(3x)/(3)=(18)/(3)\\(3x)/(3) = (3 * 2)/(3)\\= (6)/(3)\\(6 * 3)/(1 * 3)=(18)/(3)\\x = 6$

Frantisek Kossuth answered Jun 23, 2023

by Frantisek Kossuth

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