Question

what are variables in algebra​

Answer 1

Answer:

Variables in algebra are letters such as x,y,v,g,or call it any letter you want ,that can be used as to represent unknown number

Answer 2

Answer:

The alphabets used in algebra to represent any number are called variables

Step-by-step explanation:

For example-x represents 5

Y represents 9

Now we shall understand by a story sum for example-

The sum of two numbers is 180.If one number is 70 find the other(although this can be solved by normal but to explain i m using algebraic method)

Answer:

Sum=180

First no. =70

So let us consider the second number as x(we use variable as to represent a number if we don't know that number)

So,

(note that in algebra

if we send a number

to the other side of =

sign the +, - sign also

changes but the no.

next to = always stays

in that place only)

=> x+70=180

=> x=180-70

=> x=110

So the answer is 110.

Hope that u understood

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