Question

$\huge \mathfrak \red{question}$
What should be added to the sum of 16x+10y and 13xy+15x to get 18xy - 10y ?

$\small \mathfrak \blue{please \: solve \: stepwise}$
$\small \mathfrak \pink{please \: do \: not \: spam}$
​

Answer 1

Answer:

I hope it is helpful in the correct answer thank you for asking me

Answer 2

$\huge \fcolorbox{pink}{lightblue}{solution}$

Let the number be A

than 16x + 10y+ 13xy+ A = 18xy - 10y

= 31x +10y + 13xy + A = 18xy - 10y

= A = 18xy-10y - (31x + 10y + 13xy)

= A = 18xy - 10y - 31x - 10y - 13xy

= A = 5xy - 20y - 31 x