<span>{4x + y = 2
{−2x + y = 5
--------------------subtract
6x = -3
x = -1/2
</span>4x + y = 2
4(-1/2) + y = 2
-2 + y = 2
y = 4
x = -1/2 and y = 4
answer
<span>(−1/2, 4)</span>
Answer:81
Step-by-step explanation:
9•9 = 81
1) -1
2) 7.5/3
3) -3/4.5
4) -3
5) 4/3
6) -8/1.6
7) 7/1.4