Question

Solve this system of equations using the addition method.
2x + 5y = 0
x - 5y = -15

Answer 1

edit***

well, since +5y and -5y add to 0y

you might want to start by simply adding down the columns

Answer 2

i dont get u

Answer 3

then you might want to re read over what the addition method is.

Answer 4

For the addition method you need to add both equations in such a way the on of the variable cancels. For example:Therefore x=-5. Then you substitute that value for x in one of the equations and get y. y should be 2