Question 359418
the sum of two numbers is twenty five. the sum of two and four times the smaller number is six less than the product of two and the larger numbers find the larger number
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let numbers be x & y
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x+y=25........................1
2+4x=2y-6
4x-2y=-6-2
4x-2y=-8......................2
multiply equation1 by 2
and add it to equation 2
2x+2y=50
2x+4x+2y-2y=50-8
6x=42
/6
x=7  
plug value of x in equation 1 we get y = 18
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