Sunday, August 24, 2014

Algebra - Session 1

Let us talk about equations today

An equation is a mathematical statement where 2 expressions are equal

4 + 5 = 9 is an equation.

We can also make equations using variables. For example let us consider the below statement

The sum of the price of a mango and an apple is Rs 30.

In the above case, we do not know the cost of a mango or an apple. They are unknowns and will vary based on what price is decided for an apple or an orange. Let us assume the price of apple is Rs x and price of mango is Rs y. Then we can make an equation as below

x + y = 30 (because the price of an apple and a mango is Rs 30)

In the next session we will learn how to solve the variables using equations

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