isabelbeck2006 isabelbeck2006
  • 11-09-2019
  • Mathematics
contestada

9(8d-5)+13=12d-2 solve with steps

Respuesta :

bradnorris03
bradnorris03 bradnorris03
  • 12-09-2019

Answer:

d=1/2

Step-by-step explanation:

9(8d-5)+13=12d-2

1) Use the distributive property:

72d-45+13=12d-2

2) Combine alike terms:

72d-32=12d-2

3) Add 32 to both sides:

72d=12d+30

4) Subtract 12d on both sides:

60d=30

5) Divide both sides by 60:

d=30/60

6) Simplify 30/60 to 1/2

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