melonylpucci
melonylpucci
24-09-2014
Mathematics
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2/5b+1=-11 how to slove
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Аноним
Аноним
24-09-2014
2/5b+1=-11 subtract -1
2/5b=-12 Divide by 2/5
5/2(-12)=b Multiply by opposite reciprocal
-30=b
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