show that the following pair of equation are consistent and solve them graphically x+3y=6 2x-3y=12 explain this in graphical method
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solve it as usual by substituting values of either x or y by your own .you'll get the coordinates .plot thos on graph .(remember it should satisfy the conditions)
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x+3y=6. 1
2x-3y=12
1. x+3y=6
3y=6-x
y=6-x by 3.
substitute in eq 2
then x will come
again substitute x in eq 1
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