Ambiguous or invalid solution

Something fishy in this solution plz someone verify this

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Comments (2)

A
aarushmfc
•5mos

What is fishy in this? It's 9th class linear equations dude. Subtract it and you'll get an equation in b c and then substitute it in 1st equation you'll get 5a=60 a=12

1
I
imsanskar
OP•5mos

Oh got it

1
Ambiguous or invalid solution | Algebra - AfterBoards Forum | AfterBoards