cadencurtin cadencurtin

23-02-2021
Mathematics

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3x + 2y = 6
x - y = 3
how many solutions are there

Respuesta :

Ln26931 Ln26931

24-02-2021

Answer:

1

Step-by-step explanation:

Multiply the second equation by 3 to get

2x-2y=6

Add this to the first equation to get

5x=12

x=12/5

Solve the second equation for y

y=x-3=12/5-3=12/5-15/5=-3/5

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