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Mathematics 20 Online
OpenStudy (anonymous):

–(–7y + 12)

OpenStudy (anonymous):

There's a property called the 'distributive property', which works like a * (b + c) = a*b + a*c. Here you have -1 * (-7y + 12) = -1 * (-7y) + -1 * 12.

OpenStudy (anonymous):

the negative negative is getting to me

OpenStudy (anonymous):

how would I simplify to the fullest?

OpenStudy (linknissan):

7y-12

OpenStudy (anonymous):

-7y = (-1) *7y. So -1 * (-7y) = (-1)*(-1)*7y. -1*-1=1.

OpenStudy (anonymous):

wait, i'm confused!

OpenStudy (anonymous):

visualize the number line. When you multiply a number by -1, then you take the number that the same distance from 0, but on the other side of 0 to this number... |dw:1353490151377:dw|

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