A number decreased by 30 is the as 14 minus 3 times the number

asked May 2, 2015 91.0k views

3 votes

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3 votes

$x-30=14-3\cdot x\\x+3x=14+30\\4x=44\ /:4\\x=11\\\\Ans.\ 11$

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2 votes

n - 30 = 14 - 3n
n + 3n = 14 + 30
4n = 44
n = 44/4
n = 11

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