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Mathematics 7 Online
OpenStudy (clamin):

PLEASE HELP!!

OpenStudy (clamin):

OpenStudy (seratul):

You can rule at A as if you multiply positive 5 and negative 1, you get negative 5.

OpenStudy (seratul):

You can also just look at the numbers that have JUST x as the variable and you can multiply it out. 3x and 5 is 15x. 3x and -1 is -3x. 15x - 3 x is 12x. So it must be D.

OpenStudy (clamin):

D

OpenStudy (seratul):

Yep

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