-13/5 + 12/7 - -13/7 x -1/2
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Answer:
-13/5+12/7=13/7x-1/2
-91+60/35=13/7x-1/2
-31/35+1/2=13/7x
-62+35/70=13/7x
-27/70×7/13=x
-27/10×1/13=x
x=-27/130
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Answer:
227/70
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