Check sibling questions

Suppose we want to solve

      ⎕ − 3 = 5

We have to find the missing number


In algebra,

We don’t write boxes

It has a variable − x


We write letters, like 𝑥


It has a variable − x

But, why write 𝑥? Why not boxes ?

  • Writing x is easier to write than ⎕
  • if there are two boxes, now do you tell which box is which ?

So let’s start ?

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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.