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I think of a number, double it, and subtract two. I get nine. using the statement above, from an equation. Use the letter "X" for the unknown number.
solve the equation as well.

Answer:
5.5

Step-by-step explanation:

your number is X

doubling it=2X

2X-2=9

using like terms...

2X=9+2

2X=11

dividing through by 2

2X/2=11/2

X=5.5

Respuesta :

Answer: The no. thought is 5.5

Step-by-step explanation: Let the no. thought be ' x '

2x - 2 = 9

2x = 9+2

2x = 11

x = 11/2 = 5.5