Answer: x=4 ; y=<u> -4</u>
3
Step-by-step explanation:
2x + y = -4
.(-3)
2x + 3y = 4
-6x-3y=12
<u>2x + 3y = 4</u>
4x=16
x= <u>16</u>
4
x=4
2x + 3y = 4
2.4+3y=4
8+3y=4
3y= -8+4
y=<u> -4</u>
3
You need to win 30 matches in a row to raise its winning percentage to 90%
2x^3 + 2x^2 + 5x + 1/ x^2
Multiply 3x by -6, it gives you -18 so I'm going to say D