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15-01-2018
Mathematics

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7-12(3+b)=31 what is the answer

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oscardiamonddrowln6z oscardiamonddrowln6z

15-01-2018

7-12(3+b)=31
7-36+12b=31
-29+12b=31
12b=31+29
12b=60
b=5

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