amariarenaee amariarenaee

13-04-2020
Mathematics

contestada

when I think of a number, double it, then add seven, I get 25. what number did I think of?

Respuesta :

audraenger25 audraenger25

13-04-2020

Answer:

9

Step-by-step explanation:

25-7=18

half of 18 is 9

Answer Link

Larrysammz Larrysammz

13-04-2020

Answer:

9

Step-by-step explanation:

let the number be x

double it = x+x = 2x

then add seven = 2x+7

i get 25 2x+7= 25

subtract 7 from both sides

2x= 25-7= 18

2x= 18

x= 18/2 = 9

Answer Link

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