x/2+y=4/5,x+y/2=7/10
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Answered by
31
Answer:
Step-by-step explanation:
+ y =
x + =
x + 2y =
x = - 2y
- 2y + =
15y = 9
y =
x = - 2() =
Answered by
18
Answer:
Step-by-step explanation:
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