SOLUTION: what is the solution of [2d-5]=13

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Question 483510: what is the solution of [2d-5]=13
Answer by Maths68(1474) About Me  (Show Source):
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2d-5=13
add 5 both sides
2d-5+5=13+5
2d=18
Divide by 2 both sides
2d/2=18/2
d=9