Question

Solve 2x+y=7 for y what is y ?

Answer 1

You cant solve y but you can form an equation in terms of y
which is y=7-2x

if you were given another equation that has the term y and x than you can solve it.also that is a simultaneous equation.

Hope this helps,dont forget to put this as the brainliest answer if it does to help me out too. xD

Answer 2

The correct answer to solve the equation in order to y  is : y=7-2x