ponygirls231 ponygirls231

21-09-2018
Mathematics

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help plzzzz!!!!!!!!!! plz help!!!!!!!!!

help plzzzz plz help class=

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godlike74 godlike74

21-09-2018

5x+3x+7x=180
15x=180
x=12
5(12)=60
3(12)=36
7(12)=84

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