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15 votes
15 votes
84=4(3x + 3)
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User FearlessFuture
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1 Answer

12 votes
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

User Frantisek Kossuth
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