Question

15. 3 is subtracted from a number and the difference multiplied by 4. If 20 is added to the product and the sum is divided by 2, the result is equal to 10. Find the number.​

Answer 1

Answer:

45 is the right answer we are do square of this number

Answer 2

Answer: the number is 3

Step-by-step explanation:

$((x-3)4+20)/2=10$

$(4x-12+20)/2=10\\4x+8=20\\4x=12\\x=3$