plz help me : b - 7b =?

b-7b=0
-6b=0
-b=6
b=-6

b - 7b
= (1 - 7)b
= -6b

b - 7b = -6b

-6b

1b minus 7b is -6b variables stick to numbers and stay constant.

b - 7b

think of the b as an object like a banana if that helps.

if you have one banana and you have to give 7 away

you would have -6 bananas

Testo De Lla Angla Kiel Fremda Lingvo

"Testo de la angla kiel fremda lingvo (TOEFL / toʊfəl / Toh-fəl) estas normigita testo por mezuri la anglalingva kapablo de ne-denaskuloj deziras enskribiĝi en anglalingvaj universitatoj. La testo estas akceptita de multaj anglalingvaj akademiaj kaj profesiaj institucioj. TOEFL estas unu el la du ĉefaj anglalingvaj testoj en la mondo, la aliaj estante la IELTS.

"TOEFL estas varmarko de la Educational Testing Service (ETS), privata ne-profita organizaĵo, kiu desegnas kaj administras la testoj. ETS temoj oficiala poentaro raportoj, sendita sendepende al institucioj, dum du jaroj post la testo."
• https://en.wikipedia.org/wiki/Test_of_English_as_a_Foreign_Language

Interreta trolo poŝtas angla-kiel karakteroj:
"Plz help me : b - 7b =?"
• https://answers.yahoo.com/question/index?qid=20170725063455AA4evLP


1b - 7b
= - |7b - 1b|
= - b | 7 - 1|
= - b | 6 |
= -6b

Tiu estas la trolo la mem-priskribo:

"niki
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-6b

b - 7b, don't forget about the 1,
1b - 7b

1 - 7 = -6
1b - 7b = -6b

-6b

-6b