Question

The difference of two numbers, a and b, is 21. The difference of 5 times a and two times b is 18. What are the values of a and b?

Answer 1

http://tex.z-dn.net/?f=a-b%3D21+%5C+%5C+%5C+%7C%5Ctimes+%28-2%29+%5C%5C%0A5a-2b%3D18+%5C%5C+%5C%5C%0A-2a%2B2b%3D-42+%5C%5C%0A%5Cunderline%7B5a-2b%3D18+%5C+%5C+%5C+%5C+%5C+%5C+%5C+%7D+%5C%5C%0A5a-2a%3D18-42+%5C%5C%0A3a%3D-24+%5C+%5C+%5C+%7C%5Cdiv+3+%5C%5C%0Aa%3D-8+%5C%5C+%5C%5C%0Aa-b%3D21+%5C%5C%0A-8-b%3D21+%5C+%5C+%5C+%7C%2B8+%5C%5C%0A-b%3D29+%5C+%5C+%5C+%7C%5Ctimes+%28-1%29+%5C%5C%0Ab%3D-29

Answer 2

im still confused

Answer 3

What part are you confused about?

Answer 4

half

Answer 5

bottom half

Answer 6

well can you medal and fan me

Answer 7

i gave you a answer so rewared me

Answer 8

i did

Answer 9

ok

Answer 10

i understand it now