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Mathematics 33 Online
OpenStudy (anonymous):

2x+4y=6 4y+x=1 i will use addition the solution is ( , ) Help!

OpenStudy (anonymous):

Multiply second equation by 2 both the sides first..

OpenStudy (anonymous):

what do you mean

OpenStudy (anonymous):

For Addition I think you should multiply second equation by (-2)..

OpenStudy (anonymous):

What is the second equation tell me..

OpenStudy (anonymous):

4y+x=1

OpenStudy (anonymous):

Here what is the coefficient of x??

OpenStudy (anonymous):

1

OpenStudy (anonymous):

And what is the coefficient of x in first equation??

OpenStudy (anonymous):

2

OpenStudy (anonymous):

For addition, you have to make both the coefficient negative of each other.. If one is 4 then other should be -4.. Here, how can you do it??

OpenStudy (anonymous):

1 and 2.. How can you make 1 negative of 2?? by multiply it with (-2).. So, simply multiply the second equation with (-2) both the sides..

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