Seudónimo Seudónimo

05-02-2016
Mathematics

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Select all the equations for which 9 is a solution.

x+8=1

7+x=16

x−8=1

x−7=-16

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Аноним Аноним

05-02-2016

7+x=16
x-8=1
x-7=-16

only x+8=1 is wrong the answer to tht is -7

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