Verified Answer :

disturbute the middle thing. 23x = 6x, 2-9y= -18y,
25=10

now it is 6x 6x-18y 10
-9
now mix the x , now it is 12x-18y10-9
now multipy the whole numbers, now it is 12x-18y-90

the answer if we simplify it is 12x-18y
-90