Question

What should be added to the sum of
16x+10y and 13xy+15x to get 18 xy - 10y​

Answer 1

Answer:

5xy-20y-31x

Step-by-step explanation:

Let the number be M

than 16X+10Y 13XY+15X +7+M=18XY-10Y

31X+10Y+13XY+M=18XY-10Y

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

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

M= 5xy-20y-31x

Answer 2

Answer:

answer is 3xy-20y-31x

Step-by-step explanation:

ok