Help with rearranging formula x(squared) - y + 2ab = 4 for y

[squidney]

Question is x(squared) - y + 2ab = 4 And the the variable needed to be isolated is y

[anonmeans]

Question is x(squared) - y + 2ab = 4 And the the variable needed to be isolated is y

If they did "C - y = 4", would you know what to do? It's pretty much the same here.

[mabasamunashe]

-y=-x^2-2ab+4 then multiply or divide by -1 to get y=x^2+2ab-4