Six persons initiated a campiagn against child labour. Each time they visit a new locality, two persons join them in the campaign from that locality. Taking x as the no. of localities and y as the total no. of persons, form a linear equation in two variables. How many localities have they visited when the total no. of persons is 16?
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Linear equation in two variables--> 6+2x=y
If y=16,
6+2x=16
2x=10
x=5
Therefore, they visited 5 localities.
If y=16,
6+2x=16
2x=10
x=5
Therefore, they visited 5 localities.
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