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barxatty [35]
3 years ago
10

If x-2y=0 and 3x + y =7 what is the value of x

Mathematics
1 answer:
Agata [3.3K]3 years ago
6 0

Answer:

x=2

Step-by-step explanation:

If 3x + y = 7, then y= 7 - 3x.

Substitute in x - 2y = 0

So:

x - 2(7-3x)=0

x-14+6x=0

7x=14

x=2

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