7x+9y=100 and 7x+9y=75 solve the equation in graphically
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it is very easy question find the value of x from equation first that is 7 x + 9 y is equal to 100 and then put the x value in second equation which is 7 x + 9 y is equal to 75 and now put x is equal to zero then y value come it then one by one graph plotting this is hint
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