10/x+y + 2/x-y =4 solve by elimination method
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10/X+Y +2/X-Y=4
10(X-Y) +2(X+Y)/(X+Y)(X-Y)=4
10X-10Y+2X+2Y/X²-Y²=4
12X+8Y/X²-Y²=4
BY CROSS MULTIPLICATION
4(X²-Y²)=4(3X+2Y)
X²-Y²=3X+2Y
X²-Y²-3X-2Y =0
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Answered by
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10/x+y + 2/x-y = 4
10 (x-y) + 2 (x+y ) / (x+y) (x - y ) =4
10x -10y +2x + 2y / x² - y² = 4
12 x + 8y / x² - y² = 4
BY CROSS MULTIPLICATION
4 (x² - y²) = 4 (3x + 2y )
x²-y² = 3x + 2y
x²- y²- 3x-2y = 0 ( ANSWER )
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