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21-10-2016
Mathematics

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Four less then five times a number is equal to 11

Four less then five times a number is equal to 11 class=

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apologiabiology apologiabiology

21-10-2016

4 less (-4) 5 times a number (5n) is (=) 11 (11)

-4+5n=11
add 4 to both sides
4-4+5n=11+4
0+5n=15
5n=15
divide both sides by 5
5n/5=15/5
1n=3
n=3
the number is 3

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