7y-2x=-11, 4y+3x=19 find the values of x and y
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7y-2x= -11--(1)
4y+3x = 19--(2)
(1)×4=>28y-8x= -44--(3)
(2)×7=>28y+21x= 133--(4)
(3)-(4)=>
-8x-21x=-177
29x=177
x=177/29
by putting value of x in equation (1)
y=5/29
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