Expression with variables

Chapter 11 Class 6 Algebra
Concept wise

Expression does not have an = sign

Β  9 β 8 is an expression

Β  2x + 3 is an expression

Β  3x β 9 is an expression

Β  4x = 10 is not an expression

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Β 4x = 10 has an = Sign

So, it is not an expression

It is an equation

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Here,

Β  9 β 8 is an expression

But it does not have a variable

So, it is an expression without variables

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But here,

Β Β Β Β Β Β  we will study expressions with variables

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Let learn how expressions are formed

We can also

Β  Β Β Β  Form expressions from statements

Β

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### Transcript

π₯ + 3 π₯ + 3 z β 2 2 subtracted from z 2 β z z subtracted from 2 4 l 4 multiplied by l π/8 b divided by 8 β9p 9 multiplied by P 4π₯ β 9 First π₯ is multiplied by 4 Then 9 is subtracted from Product π¦/3+10 Y is divided by 3 and then 10 is added to it. 4 Subtracted from π₯ : π₯ - 4 9 added to z : 9 + z t multiplied by 7 : 7t k divided by 2 : π/2 9 multiplied by c : β 9π 9 multiplied by 6 and 6g + 11 then 11 is added to the product P is divided by 8 and π/8 β7 then 7 is subtracted from it.

#### Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.