Question

What is 4.2X-1.4Y=2.1-2X

Answer 1

4.2x - 1.4y = 2.1 - 2x

Subtract 4.2x

-1.4y = 2.1 - 6.2x

Divide by -1.4

y = -3/2 + 9/2x

Answer: y = 9/2x - 3/2

Answer 2

In this problem, we have to solve for y.
So:
After subtracting 4.2x and dividing -1.4; you get this:
y = 9/2x - 3/2