Find the value of , if x=- and y=+5/2 is a solution of th equation x+4y-7=0
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= 3
I am representing x = £
put the value of x and y in given equation
x + 4y -7 = 0
-£ + 4(5/2) = 7
-£ + 2×5 = 7
-£ = 7 - 10
-£ = -3
£ = 3
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