Question

solve y=x+3 and 2x+y=-6 by substitution

Answer 1

Hope this is right....

Answer 2

Answer:

x = -3

Step-by-step explanation:

substitute y in the second equation for x + 3:

2x + (x + 3) = -6

2x + x + 3 = -6

3x + 3 = -6

     -3       -3

3x = -9

/3      /3

x = -3