-2x + 3y = 18. x = -y + 1
1 answer:
Answer:
D. X=-3, y=4
Step-by-step explanation:
-2x+3y=18 equation 1
x=-y+1 equation 2
-2(-y+1)+3y=18 replace x value of equation 2 into equation 1
2y-2+3y=18
5y=20
y=4
solve for x by replacing y value into either equation.
x=-y+1
x=-4+1
x=-3
You might be interested in
25% is equivalent to 1/4.
Answer:
The Answer is C
Step-by-step explanation:
hope this helps
So it can be shown as:
![\sf \dfrac{read \ books}{total \ books \ in \ list}](https://tex.z-dn.net/?f=%5Csf%20%5Cdfrac%7Bread%20%5C%20books%7D%7Btotal%20%5C%20books%20%5C%20in%20%5C%20list%7D)
![\hookrightarrow \sf \dfrac{4}{12}](https://tex.z-dn.net/?f=%5Chookrightarrow%20%5Csf%20%5Cdfrac%7B4%7D%7B12%7D)
on simplifying
![\hookrightarrow \sf \dfrac{1}{3}](https://tex.z-dn.net/?f=%5Chookrightarrow%20%5Csf%20%5Cdfrac%7B1%7D%7B3%7D)
So, option 1 is correct.
Answer:
it's -11
Step-by-step explanation:
hope this helped
Answer:
3
Step-by-step explanation: