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Mathematics 4 Online
OpenStudy (anonymous):

Simplify: -6(3x – y) -4(-3x – 2y)

OpenStudy (uri):

-18x+6y +12x+8y -6x+14y

OpenStudy (anonymous):

This may sound silly but can you tell me why? I always get confused when I see a -(negative sign) or a - (subtraction sign) and ended up with: (-18x- -6y) - (12x- -6y). & When I see brackets with or without () inside of then I become even more confused. Thank you for answering my question and for reading

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