Question

please answer me the question and explain also please ​

Answer 1

X/y=4/5, we take X=4/5y,

So, {4/7+2y-x÷2y+x}

4/7+{(10y-4y÷5)÷(10y+4y÷5)}

4/7+{(6y÷5)÷(14y÷5)}

4/7+{6y÷5×5÷14y}

4/7+6y/14y

=7/7=1

mark me as brainliest