Math, asked by akshaykokate8143, 4 months ago

if x+y=11 and x-y=9 then 2x=​

Answers

Answered by parmarshrey21
1

Answer:

Step-by-step explanation:

x+y=11

x=11-y

x-y=9

11-2y= 9

-2y=-2

y=1

x=11-1=20

2x=20

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