3a+5b=26 ; a+5b=22. ...solve by Cramer's rule
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Step-by-step explanation:
3a+5b=26 -------(I)
a+5b=22 ------------(II)
Subtracting (II) from (I)
2a=4
⇒a=2
Putting the value of a=2 in (II)
5b=22−2=20
⇒b=
5
20
=4
Thus,a=2 and b=4.
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