SOLUTION: -1/4x + 3/5 = 2 7/20
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Question 677835: -1/4x + 3/5 = 2 7/20
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
-1/4x + 3/5 = 2 7/20
-1/4x=-3/5+47/20
-1/4x=(-3*4+47)/20
-1/4x=(-12+47)/20
-1/4x=35/20
35*4x=-20
140x=20
x=20/140
x=1/7 ans.
Proof:
1/4(1/7)+3/5=47/20
1/4*7/1+3/5=47/20
7/4+3/5=47/20
(5*7+3*4)/4*5=47/20
(35+12)/20=47/20
47/20=47/20
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