Iretca9ndr3ead Iretca9ndr3ead

14-09-2016
Mathematics

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what statement makes the open sentence 49 – 7x = 21 true? x = 11 x = 7 x = 4 x = 3

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brightmoonligh2439 brightmoonligh2439

14-09-2016

x=4 is the correct answer

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pphreadpphread pphreadpphread

15-09-2016

7x=21
1st isolate the x by dividing both sides by 7
7x/7=21/7
x=3

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