Find out value of 'x' and 'y' — task. Maths CBSE Live product, Class 7.

Consider the two lines $A$ and $B$ are parallel, then find the value of $x$ if $a =$ 6, $b =$ 11, $c =$ 21, and $d =$ 11.

Choose the correct value of $x$ is _________

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4. Find out value of 'x' and 'y'