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