Math, asked by ys2451413, 7 months ago

.If 3x + 7y = 10 and 7x + 3y = 20 ,find x+y.

Answers

Answered by Unknown0708

19

Answer:

Add both the equations

10x+10y = 30

10(x+y) = 30

x+y = 3

Mark as brainliest pls

Answered by vishalkuju07778

3

Answer:

x+y=18 it is the right answer

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