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Nady [450]
3 years ago
6

(Plz answer)

Mathematics
1 answer:
Mrac [35]3 years ago
5 0

The first is wrong

Second is right

Third is wrong

Fourth is right

Fifth is right

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Ok so first plug in y for in the equation 2x-2y=12
Therefore 2x - 2(x -6)=12
Then distribute the two to the x and the -6 
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The 2x's cancel leaving you with 
12=12
From there you could subtract the 12 from both sides to get 0=0, I assume
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