Respuesta :
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:
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