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Im so confused somebody please help and explain.
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Im so confused somebody please help and explain.

Im so confused somebody please help and explain.-example-1
User Narendranathjoshi
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\\ \sf\longmapsto 3x+4x-1=90


\\ \sf\longmapsto 7x-1=90


\\ \sf\longmapsto 7x=90+1=91


\\ \sf\longmapsto x=(91)/(7)


\\ \sf\longmapsto x=13

User Gros Lalo
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