Answer:
x = 3
Step-by-step explanation:
Given the 2 equations
x + y = 3 → (1)
2x - y = 6 → (2)
Adding the 2 equations term by term eliminates the y- term, that is
3x = 9 ( divide both sides by 3 )
x = 3
Answer:
sometimes
Step-by-step explanation:
8 - ? = -1. the missing number would be 9.
10.2 all you have to do is add up all the sides... hope this helps!
