Question

18÷2+x÷9=4 under root
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Answer 1

18÷2+x÷9=√4

=9+x/9=2

=x/9=2-9

=x=-7×9

=x=-63

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Answer 2

9 + x/9 = ✓ 4

(81+ x)/9 = 2

81+x = 18

x = -63