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wlad13 [49]
3 years ago
15

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

Mathematics
2 answers:
pentagon [3]3 years ago
7 0
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.}
miskamm [114]3 years ago
4 0
(3+x)*4=16
Distributive property 
12+4x=16
-12       -12
4x-4

x=1


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