SOLUTION: 4(5n-7)=10n+2

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Question 342217: 4(5n-7)=10n+2
Answer by nyc_function(2741) About Me  (Show Source):
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4(5n-7)=10n+2
20n - 28 = 10n + 2
20n - 10n = 28 + 2
10n = 30
n = 30/10
n = 3
The Proof:
Let n = 3
4(5(3)-7)= 10(3)+ 2
4(15 - 7) = 30 + 2
4(8) = 32
32 = 32
This proofs that n = 3 is correct.