Express y in terms of x. given than 2x+y-7=0
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Given equation: −2x+y−7=0
⟹−2x+y=7⇒y=2x+7
Now, check for x=−3 and y=−2 for the solution of given equation:
We have, RHS =2x+7
=2(−3)+7=−6+7=1
=−2= LHS
Hence, x=−3 and y=−2 isn't the solution of given equation.
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