amiirerichards841 amiirerichards841

24-02-2021
Mathematics

contestada

I am thinking of a number.... When I double a number and subtract 10 from it, I get 30. What is my number?

Respuesta :

jaydencaraballo26 jaydencaraballo26

24-02-2021

Answer:

20

Step-by-step explanation: 20 doubled is 40 and 40 - 10 is 30

Answer Link

fergie7399 fergie7399

24-02-2021

Answer:

20

Step-by-step explanation:

2x-10=30

Add 10 to both sides.

2x-10+10=30+10

2x=40

Divide both sides by 2.

2x/2=40/2

x=20

Answer Link

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