the sum of the four numbers are -1. if three of them are 3 /5, - 7/6, 2/5. find the fourth number
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Let the unknown number be 'x'.
3/5-7/6+2/5+x= -1.
3/5+2/5-7/6+x= -1
5/5-7/6+x = -1
1-7/6+x = -1
6-7/6+ x =-1
-1/6+ x = -1
x= -1+1/6
x= -6+1/6
x= -5/6.
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3/5-7/6+2/5+x= -1.
3/5+2/5-7/6+x= -1
5/5-7/6+x = -1
1-7/6+x = -1
6-7/6+ x =-1
-1/6+ x = -1
x= -1+1/6
x= -6+1/6
x= -5/6.
Thank you!
All the best.☺️
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