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the difference of two numbers is 18 and their sum is 90. Find the two numbers
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54 36
x-y=18 x+y=90 You can also solve the above system and get your answer
x=108 and y=90
acutally when you first add the equztions, you get : 2x=108----->x=54 Then plug in 54 for x in either equation, ill choose the first one:54-y=18---->-y=-36 then divide both side by -1 and get:y=36 x=54 and y=36
exaclty solve x-y=18 x+y=90 adding both the equations will cancel out the 'y' term n will give 2x=108 \[\implies x=54\] put this in any equation and you will get y=36
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ohh right
@princess sorry your answer is wrong :(
yah i know
x=54
y=36
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