Question

If square root 2 +x/169=20/13 find x

Answer 1

2+x/169=20/13

taking LCM

(338+x)/169 =20/13

cross mutiplication

13(338+x) =3380

4394+13x =3380

13x =3380-4394

13x= -1014

x= -1014/13

x= -78

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