Hello,
According to marking scheme
http://cbseacademic.nic.in/web_material/SQP/CLASSX_2019_20/MathematicsStandard_MS.pdf
the answer of Question 29 is x = 6 and y = 1
We have also got the same answer, please check https://www.teachoo.com/11000/3130/Question-29-OR-1st-question/category/CBSE-Class-10-Sample-Paper-for-2020-Boards---Maths-Standard/
Written on Nov. 14, 2019, 10:29 a.m.