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Mathematics 8 Online
OpenStudy (anonymous):

PLEASE HELP!! Turn this into algebraic expression... The difference between six times a number and seven more than three times the number

OpenStudy (anonymous):

let the number be x

OpenStudy (anonymous):

since it is not specified whether it is positive difference or negative difference, we assume it is positive difference

OpenStudy (anonymous):

okay. what i was thinking was 6x+3x+7 but not sure 100%

OpenStudy (anonymous):

so, 6 times the number is 6(x)...6x...three times the number is 3x and 7 more than that is 3x+7

OpenStudy (anonymous):

so 6x(3x+7)

OpenStudy (anonymous):

so the difference will be...(7+3x)-6x

OpenStudy (anonymous):

they asked for difference not product

OpenStudy (anonymous):

oh ok. thank you. so difference would be subtract

OpenStudy (anonymous):

thanks!!

OpenStudy (anonymous):

actually for positive difference it would be 6x-(7+3x)...try it for any x...:-)

OpenStudy (anonymous):

however it depends on the x

OpenStudy (anonymous):

the value of x*

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