kaliboone36 kaliboone36

19-04-2017
Mathematics

contestada

twice the difference of a number and 4 is equal to three times the sum of the number and 7. find the number
the number is=

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rtrim03 rtrim03

19-04-2017

Let the number be x
Then According to the equation :
2(X-4)=3(x+5)
2X-8=3X+15
-23=3X-2X
X=-23

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reganscute reganscute

19-04-2017

the answer would be -8/5,

hope this helps. ((';

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