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Mathematics 16 Online
OpenStudy (anonymous):

when changing from negative t possitive wat we do add an keep the sign

OpenStudy (anonymous):

Your question is not clear

OpenStudy (anonymous):

2x-8y+6x+9y

OpenStudy (anonymous):

2x + 6x gives 8x....-8y +9y= (-8+9)y = y ans then is 8x +y

OpenStudy (anonymous):

232 written in roman numeral

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