Question

Solve the following proportion.

Answer 1

\[\frac{ 7 }{ a+2 }=\frac{ a }{ 9 }\]

Answer 2

Cross multiply!

Answer 3

a^2+2a=63

Answer 4

correct

Answer 5

a^2+2a-63=0!

Answer 6

correct

Answer 7

Ok, uhh, (a-7)(a+9)=0

Answer 8

7 &-9

Answer 9

correct

Answer 10

Yaaaaay! Thank you!

Answer 11

sorry I took the medal back from you @cookiibabii93 I had to give it to @iambatman because his picture with the green tint looks \[\huge \text{super cool!!!}\]

Answer 12

and he answered first

Answer 13

lol it's ok

Answer 14

Haha, thank you @zzr0ck3r :)