Answer:
3
Step-by-step explanation:
We want to cancel out the 3y. The second equation has a -y so if we multiply that by 3 we'll get -3y and when we add the ys go away.
Multiply the 2nd row by 3.
Multiply the second row by 3. Then we have:
2x + 3y = 18
21x - 3y = 30
Now, if we combine these two equations, y will disappear and we'll have:
23x = 48, so that
x = 48/23.
-2 1/2
Explanation :
took the test on ed
try 5 hope this helped you
