Question

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

Answer 1

Multiply second equation by 2 both the sides first..

Answer 2

what do you mean

Answer 3

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

Answer 4

What is the second equation tell me..

Answer 5

4y+x=1

Answer 6

Here what is the coefficient of x??

Answer 7

1

Answer 8

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

Answer 9

2

Answer 10

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??

Answer 11

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..