wat should be sub frm -3/7 to get -2/7
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5/7 will be the correct ansr
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-3/7-x = -2/7
-x = -2/7+3/7
-x = 1/7
x = -1/7
verification:
-3/7-(-1/7)= -2/7 as first equation
-1/7 is subratced from -3/7 to get -2/7
-x = -2/7+3/7
-x = 1/7
x = -1/7
verification:
-3/7-(-1/7)= -2/7 as first equation
-1/7 is subratced from -3/7 to get -2/7
sushant2505:
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wc
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