Basic Definitions
Last updated at July 20, 2026 by Teachoo
Expression does not have an = sign
Ā 9 ā 8 is an expression
Ā 2x + 3 is an expression
Ā 3x ā 9 is an expression
Ā 4x = 10 is not an expression
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Ā 4x = 10 has an = Sign
So, it is not an expression
It is an equation
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Here,
Ā 9 ā 8 is an expression
But it does not have a variable
So, it is an expression without variables
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But here,
Ā Ā Ā Ā Ā Ā we will study expressions with variables
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Let learn how expressions are formed
We can also
Ā Ā Ā Ā Form expressions from statements
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Transcript
š„ + 3 š„ + 3 z ā 2 2 subtracted from z 2 ā z z subtracted from 2 4 l 4 multiplied by l š/8 b divided by 8 ā9p 9 multiplied by P 4š„ ā 9 First š„ is multiplied by 4 Then 9 is subtracted from Product š¦/3+10 Y is divided by 3 and then 10 is added to it. 4 Subtracted from š„ : š„ - 4 9 added to z : 9 + z t multiplied by 7 : 7t k divided by 2 : š/2 9 multiplied by c : ā 9š 9 multiplied by 6 and 6g + 11 then 11 is added to the product P is divided by 8 and š/8 ā7 then 7 is subtracted from it.
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