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OpenStudy (anonymous):
Simplify 7(x - 1) - 2(x + 1) + 3(x - 4) 8x - 21 8x - 4 8x + 21
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OpenStudy (anonymous):
distribute 7(x-1) please
OpenStudy (anonymous):
i was trying but the site glitched on me isnt it um like 7x-1 or x-7
OpenStudy (mokeira):
step 1, open the brackets 7x-7-2x-2+3x-12 Collect like terms 7x-2x+3x-7-12 8x-19
OpenStudy (mokeira):
ooops..i missed something 7x-2x+3x-7-12-2 8x-21
OpenStudy (anonymous):
okay that makes since and I can use this as an example to do the other ones thank you
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OpenStudy (anonymous):
http://www.mathsisfun.com/definitions/distributive-law.html this site will explain distribution
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