Question

Solve by ' ELIMINATION BY SUBSTITUTION' method

$22. \: ax + by = 1$
;
$bx + ay = \frac{(a + b) {}^{2} }{a {}^{2} + b {}^{2} } - 1$

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Answer 1

On finding any mistake, comment immediately

Answer 2

The answer is explained in the attachment below.

(1) Elimination Method

(2) Substitution Method 


Hope it helps!