Answer:
2x-y= -3
Step-by-step explanation:
2x=y-3
There is an app called photomath and u can take pictures of math problems and get the answer
x=
If your sovling for x then thats the answer
3.5
the answer is 3.5 because when you divide 63 and 18 you get 3.5
d(n)=8−6(n−1)
d(6) = 8-6(d-1)
d(6) = 8-6*5
d(6) = 8-30
d(6) = -22
