Seven times some number added to 4 amounts to 28...

asked Jan 6 in Mathematics by rmcmek
Seven times some number added to 4 amounts to 28 added to the product of 4 and the number

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2 Answers

answered Jan 6 by anonymous
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

The number is 8.
answered Jun 19 by anonymous

Seven times some number added to 8 amounts to -10 added to the product of 4 and the number.

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