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If-a-b-2-7-a-b-4-Find-2a-b-




Question Number 209695 by hardmath last updated on 18/Jul/24
If:  (a + b)∙(√2) = 7∙(a−b−4)  Find:  (2a + b) = ?
$$\mathrm{If}: \\ $$$$\left(\mathrm{a}\:+\:\mathrm{b}\right)\centerdot\sqrt{\mathrm{2}}\:=\:\mathrm{7}\centerdot\left(\mathrm{a}−\mathrm{b}−\mathrm{4}\right) \\ $$$$\mathrm{Find}: \\ $$$$\left(\mathrm{2a}\:+\:\mathrm{b}\right)\:=\:? \\ $$
Answered by mr W last updated on 18/Jul/24
no unique solution!  2a+b can be any value!
$${no}\:{unique}\:{solution}! \\ $$$$\mathrm{2}{a}+{b}\:{can}\:{be}\:{any}\:{value}! \\ $$
Commented by hardmath last updated on 19/Jul/24
thankyou dearprofessor
$$\mathrm{thankyou}\:\mathrm{dearprofessor} \\ $$

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