12-01-2016
Mathematics

contestada

11b-7=-40 what does b=

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nemo123 nemo123

12-01-2016

-40+7= -33
11b=-33
11b/11=-33/11
b=-3

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Natalia252 Natalia252

12-01-2016

-3=b, because 11x-3 is -33, - 7 is -40.

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