22-01-2015
Mathematics

contestada

Seven times some number added to 4 amounts to 28 added to the product of 4 and the number

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thisisbenmanley thisisbenmanley

22-01-2015

[tex]7x+4=4x+28\\7x+4-4=4x+28-4\\7x=4x+24\\7x-4x=4x-4x+24\\3x=24\\3x/3=24/3\\x=8[/tex]

The number is 8.

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