Seudónimo Seudónimo
  • 28-09-2016
  • Mathematics
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What is |2d-5|=13? For algebra 2

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Аноним Аноним
  • 28-09-2016
d would equal to either 9 or －9
Answer Link
Аноним Аноним
  • 28-09-2016
[2d-5]=13
We have two equations:
(1)
2x-5=13
2x=13+5
2x=18
x=18/2
x=9

(2)
2x-5=-13
2x=-13+5
2x=-8
x=-8/2
x=-4

answer: We have two solutions for d; d=-4 and d=9
Answer Link

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