jehshannd jehshannd
  • 08-09-2020
  • Mathematics
contestada

The sum of twice a number and 7 is 17.

Respuesta :

Wolfyy
Wolfyy Wolfyy
  • 08-09-2020

The sum of twice a number and 7 means; 2n + 7

is 17 means; = 17

Put together; 2n + 7 = 17

Solve for n.

2n + 7 = 17

~Subtract 7 to both sides

2n = 10

~Divide 2 to both sides

n = 5

Best of Luck!

Answer Link
cresen06
cresen06 cresen06
  • 08-09-2020

Answer:

5

Step-by-step explanation:

Let the number be a

2 a + 7 = 17

2 a = 17 - 7

2 a = 10

2 a = 10

2       2

a = 5

So, the number is 5

Answer Link

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