Question

How do you solve 2√x−11−8=4 and check your solution?

Answer 1

2®x-11-8=4

2®x-19=4

2®x=4+19

®x=23/2

x=(23/2)^2

x=529/4

check:-

2X®(529/4)-19=4

2X23/2-19=4

23-19=4

4=4

LHS=RHS

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