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A number decreased by 30 is the same as 14 minus 3 times the number. What is the number?
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A number decreased by 30 is the same as 14 minus 3 times the number. What is the number?
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Jun 19, 2017
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A number decreased by 30 is the same as 14 minus 3 times the number. What is the number?
Mathematics
middle-school
David Rodrigues
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the number is
11
x = the number
x - 30 = 14 - 3x
+3x +3x
4x - 30 = 14
+30 +30
4x = 44
/4 /4
x = 11
Linrongbin
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Jun 25, 2017
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Linrongbin
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