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Solving systems of linear equations with substitution example | Algebra II | Khan Academy

479,013 views

Khan Academy

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

98%
  • 4:16 / 4:21

Speech Rate:

  • 129 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Video Vocabulary

problem

/ˈpräbləm/

adjective noun

Causing trouble. Something difficult to deal with or causes trouble.

multiply

/ˈməltəˌplī/

verb

add number to itself specified number of times.

substitute

/ˈsəbstəˌt(y)o͞ot/

noun verb

person or thing acting or serving in place of another. use or add in place of.

putting

/po͝ot/

verb

To move or place a thing in a particular position.

solving

/sälv/

verb

To figure out a way to handle a difficult problem.

talking

/ˈtôkiNG/

adjective noun verb

engaging in speech. action of talking. To say things or ideas to someone with words.

rewrite
noun verb

instance of rewriting something. write something again so as to alter or improve it.

positive

/ˈpäzədiv/

adjective noun

Having the charge produced by electrons. positive quality.

already

/ˌôlˈredē/

adverb

Having happened or been done before this time.

combine
noun verb

group acting together commercially. To mix several things together to form one thing.

explicitly

/ikˈsplisitlē/

adverb

Clearly; specifically.

instead

/inˈsted/

adverb

When one thing is replaced by another.

exercise

/ˈeksərˌsīz/

noun verb

Set of questions in a text book. use faculty, right, etc..

systems

/ˈsistəm/

noun other

set of things working together as parts of mechanism. Sets of organized planned ideas that work together.

equations

/əˈkwāZHən/

noun other

statement that two values are equal. Mathematical statements showing things to be equal.

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