Question

4.2x-1.4y=2.1

Answer 1

what are you asking?

Answer 2

4.2x-1.4y=2.1
in terms of y, x=(2.1+1.4y)/4.2
substitue this for x
4.2((2.1+1.4y)/4.2)-1.4y= 2.1
this will give you y and then you can solve for x

Answer 3

I have to find the answer for y

Answer 4

then solving the last equation above will give you what y equals