write the following using algebraic notation, using the letter x for any unknown numbers: I think of a number, subtract five, then double the result

2(x-5)

Step-by-step explanation:

x = number

then you subtract 5 from that number so that would look like

x-5

Then you double the result so then it would end up being:

2(x-5)

Please mark me brainliest :)

cross multiplying, we get :

⇒ (3) × (5) = (9) × (x)

⇒ 15 = 9x

2 over 5 and 4 over 15

don’t know last one sorry

step-by-step explanation: