3 years ago

Solve 2x -y =4 5x -2.5y =10

1 answer:

5 0

2x-y=4

Therefore: y=2x-4

---------------------------------

5x-10/4(2x-4)=10

5x-5/2(2x-4)=10

5x-5x+10=10

10=10

------------------------

*Problem can't be solved.

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