Answer:6
Step-by-step explanation:
9514 1404 393
Answer:
5
Step-by-step explanation:
Add the latter two equations and you get ...
(a +b) +(a -b) = (7) +(3)
2a = 10 . . . . . . . . . . . . . . . simplify
a = 5 . . . . . . . divide by 2
X=9 and y=-3 if you need help comment back and i would love to help!
1. -9/2, 9/2
2. 3-4(squared)2/4, 3+4(squared)2
3. -3(squared)2, 3(squared)2