jsaronov
jsaronov jsaronov
  • 01-04-2018
  • Mathematics
contestada

Someone plz answer these questions and label by letter

Someone plz answer these questions and label by letter class=
Someone plz answer these questions and label by letter class=
Someone plz answer these questions and label by letter class=
Someone plz answer these questions and label by letter class=
Someone plz answer these questions and label by letter class=

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mkryukova19 mkryukova19
  • 01-04-2018
85a

2-b=c    -(13-b)=c2-b=-13+b2b=15b=15/2c=2-15/2=4/2-15/2=-11/2 C cannot be negative, so 2-b not >0 and 13-b not <0
Both 2-b and 13-b cannot be both positive and negative, because 2-b=13-b is wrong
-(2-b)=c, 13-b=c,   -2+b=13-b,  2b=15, b=15/2, c=13-b=13-15/2=26/2-15/2=11/2So, finally  b=15/2 and c=11/2Answer is abs(x-15/2)=11/2
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