Class 9th
Chapter 4 (Linear equation in two variables)
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so equation=5x+15
let the two variable
so x and y
but we have already one variable
we let next variable=0y
we let be x=-3
5x-3+15=0
-15=-15
=1
5x-3+0y=15
-15+0y=15
so 0y=-15/15=-1
let the two variable
so x and y
but we have already one variable
we let next variable=0y
we let be x=-3
5x-3+15=0
-15=-15
=1
5x-3+0y=15
-15+0y=15
so 0y=-15/15=-1
GautamSingh6969:
thnku very much
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