how to equating 5200 *x+4200 *y=5000(x+y)
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Solution :
5200x + 4200y = 5000( x + y )
divide each term by 100, we get
52x + 42y = 50( x + y )
=> 52x + 42y = 50x + 50y
=> 52x + 42y - 50x - 50y = 0
=> 2x - 8y = 0
=> 2( x - 4y ) = 0
=> x - 4y = 0
Therefore ,
x = 4y
••••
5200x + 4200y = 5000( x + y )
divide each term by 100, we get
52x + 42y = 50( x + y )
=> 52x + 42y = 50x + 50y
=> 52x + 42y - 50x - 50y = 0
=> 2x - 8y = 0
=> 2( x - 4y ) = 0
=> x - 4y = 0
Therefore ,
x = 4y
••••
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