[tex] \boxed{Question:-} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ if \: ∆+∆+©=420 \: and \: ©-∆=90, \\ then \: what \: is \: the \: value \: of \: ©? \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
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tell me where need correction guys all situation are ✅ i think i take a good approach
Answer:
200 will be the answer of this question