Question

A=2x+y²/7 make y the subject of the formula

Answer 1

Start with

`a=2x+(y^2)/(7)`

Subtract
`2x` from both sides:

`a-2x=(y^2)/(7)`

Multiply both sides by 7:

`7a-14x=y^2`

Take the square root of both sides. Remember that this implies a double sign:

`y=\pm√(7a-14x)`

Answer 2

y=√(7A-2x)

Explanation:

A=2x+y²/7

Multiplying both sides by 7

7A=2x+y²

7A-2x=y²

Taking square root on both sides

y=√(7A-2x)