Question

A system of equations is shown below:

x + y = 3
2x – y = 6

The x-coordinate of the solution to this system of equations is _____.

Answer 1

im thinking 3

Answer 2

you can add the 2 equations, or use method of substitution

Answer 3

x + y = 3
2x – y = 6
------------
3x +0y = 9
x=9/3=3

Answer 4

right again

Answer 5

Thank You!