39. [x+y=8 √x - y = 4 40. x + 2y = 5 x + y = 3

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Q: 4. -8z -y+3: =1 4r + 4y +== 41 6r + 4y + 7: = 114 5. 3r + 7y - 2: = 37 6r + 7y + 10: = 46 -v+ 2: =-4

A: 4) Given:

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A: Given, if 2x=3y=5z=301x+1y+1z, To find                   2x+3y+5z30=?

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Q: 18

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Q: Find the least four-digit number that gives the remainder 2 when it is ided by any composite one-…

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