Question

Use a lemon to prove that if 7x + 4 is even, then 3x - 11 is odd and X C- Z.

Answer 1

@ganeshie8 @myininaya @UnkleRhaukus @RadEn @robtobey @chmvijay @Luigi0210 @eliassaab @genius12 @Vincent-Lyon.Fr @Preetha @Kainui @ehuman @wolfe8 @lucaz @INeedHelpPlease? @khadeeja @thadyoung @A_clan @tester97 @Andras @Confusionist @linh412986 @BlackLabel @leozap1 @JMark @Microrobot @zacharyf @Rubio101 @NaomiBell1997 @MeganEdward @theballer225 @link,zoro @Goldenmoon @CrayolaCrayon_

Answer 2

\[\bf 7x+4 \equiv 0 (\mod 2) \implies 7x \equiv 0 (\mod 2) \implies x \equiv 0 (\mod 2)\]Hence 'x' is always even in order for 7x + 4 to be even. Now let \( x = 2k, for \ k \ge 0\). Then:
\[\bf 3x-11=3(2k)-11=2(3k)-2(5)-1=2(3k-5)-1\]Therefore 3x - 11 will always be odd when 7x + 4 is even.

Q.E.D.

@FutureMathProfessor

Answer 3

gn for now. bye gais.

Answer 4

Night! I suppose I better go to bed too because I hate sleeping when it's not black outside LOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOL

Answer 5

For the last time, stop using mass tags.

Answer 6

Tips: Use \ ( \in \ ) to make \(\in\) :)

Answer 7

/in

Answer 8

\in

Answer 9

( \in \ )

Answer 10

How @kc_kennylau

Answer 11

\in \

Answer 12

\ ( \in \ )

Answer 13

( in \ )

Answer 14

Remove all the spaces in \ ( \in \ )

Answer 15

Because If I did so it wouldn't give u the code

Answer 16

\(\in\)

Answer 17

WHOA.

Answer 18

exactly

Answer 19

\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)\(\in\)

Answer 20

bye i have to go

Answer 21

Show me more stuff

Answer 22

https://en.wikibooks.org/wiki/LaTeX/Mathematics#List_of_Mathematical_Symbols

Answer 23

\(\subseteq\)

Answer 24

really have to go have fun

Answer 25

Wow! This is like learning how to thrust your wife on your wedding night! Im gona have fun with this!