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Algebraic Methods of Solving a Pair of Linear Equations - Substitution Method

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notes

1) Substitution Method- Let us try to understand this method with a simple example

`x+y=8` .....eq1
`x-y=-2` ....eq2
As the name suggests we are required to substitute `x=8-y` in eq2
`8-y-y= -2`
`-2y= -2-8= -10`
`y=5` and `x+5=8`  
Therefore `x=3`

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Pair of Linear Equation in two variable part 9 (Algebraic Substitution) [00:07:33]
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