Help me please
screencap in comments.
best answer rewarded

Question

Help me please
screencap in comments.
best answer rewarded

jravenv · Answer

attachment

anonymous · Answer

your math teacher must hate you

jravenv · Answer

She truly does xD

anonymous · Answer

i am trying to figure out an easy way to get the answer
they all have 13c so we can ignore the c part

jravenv · Answer

Okay, so what's next :)

anonymous · Answer

i can't copy and paste, so i guess i have to try to type it out
lets look at the middle first

jravenv · Answer

Okay!

anonymous · Answer

$$a-(5b-c)+3c-(a-b-9c)$$ is that the middle part?

jravenv · Answer

Yes

anonymous · Answer

ok lets distribute both minus signs

anonymous · Answer

$$a-5b+c+3c-a+b+9c$$ is what i get
look good/

jravenv · Answer

Looks great :)

anonymous · Answer

now combine like terms
you got that part?

jravenv · Answer

Its so much my brain is getting jumbled could you help me to break it apart?

anonymous · Answer

yeah sure

anonymous · Answer

$$a-a=0$$

anonymous · Answer

$$-5b+b=-4b$$

anonymous · Answer

and $$c+3c+9c=13c$$

anonymous · Answer

so the middle part is i$$-4b+13c$$now lets put it back in the the center

jravenv · Answer

Okay!

anonymous · Answer

$$a-(4b-(-4b+13c))$$

jravenv · Answer

so, a-8b+13c?

anonymous · Answer

distribute again 
$$a-(4b+4b-13c)$$ combineike termsand get yeah, what you wrote

anonymous · Answer

this is the kind of stultifying nonsense that makes everyone hate math
it is not math, it is bookkeping

jravenv · Answer

Yeah, it's rather rotten isn't it? but as you can see I'm not a dummy just need more guidance than what my teacher gives haha

jravenv · Answer

I'm very thankful for your help!

anonymous · Answer

you are quite welcome, happy to help