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Three is added to a number, and then the sum is multiplied by 4. The result is 16. Find the number.

Three is added to a number, and then the sum is multiplied by 4. The result is 16. Find the number.
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2 votes
Three is added to a number, and then the sum is multiplied by 4. The result is 16. Find the number.

User SamH
by
8.5k points

2 Answers

2 votes
(3+x)*4=16
Distributive property
12+4x=16
-12 -12
4x-4

x=1


User Joris Limonier
by
7.7k points
1 vote

x-\ number\\\\ 4(3+x)=16\\ 12+4x=16\ \ \ |Subtract\ 12\\ 4x=16-12\\ 4x=4\ \ \ |Divide\ by\ 4\\ x=1\\\\ \textbf{Number\ is\ equal\ to\ 1.}
User KUSHA B K
by
7.9k points
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