aaliyahdaniels073006 aaliyahdaniels073006
  • 08-11-2020
  • Mathematics
contestada

how do u solve (2d-5)/2 = (5d+2)/9

Respuesta :

miraculouslbcomics
miraculouslbcomics miraculouslbcomics
  • 08-11-2020

Answer:

D=  49/8

Step-by-step explanation:

Cross-multiply.

(2d-5)/2 = (5d+2)/9

(2d−5)*(9)=(5d+2)*(2)

18d−45=10d+4

Subtract 10d from both sides.

18d−45−10d=10d+4−10d

8d−45=4

Add 45 to both sides.

8d−45+45=4+45

8d=49

Divide both sides by 8.

d=  49/8

So the answer is 49/8

I hope it's right!

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