Question

HELP PLEASE.
What is the value of x?
3√9+x=15

Answer 1

let's start with \[\sqrt9\]
what does that equal?

Answer 2

make a guess

Answer 3

3

Answer 4

perfect!

Answer 5

\[3\cdot3+x=15\]

Answer 6

what is 3 times 3?

Answer 7

9

Answer 8

ok so we now have
\[9+x=15\]
how do we get the 9 to the other side of the equal sign?

Answer 9

make a guess

Answer 10

i really don't know :/ i have been out of math for 3 years now. :(

Answer 11

no problem

Answer 12

we would subtract 9 from both sides to get x by itself
so
\[\cancel{9-9}+x=15-9\]

Answer 13

Yes!
Good job!

Answer 14

THANK YOUUUU!!!!

Answer 15

x=6

Answer 16

medal please? =D

Answer 17

did i do the medal right?? I've never used this site before lol

Answer 18

I got it. Thank you!

Answer 19

you're welcome. thank you so much as well!!

Answer 20

Glad to help!