Answer:
I answered ur question in ur previous post
Good Luck!
The number line is a bit hard to read but from the numbers and looks from it, it looks correct
Answer:
-A
Step-by-step explanation:
Additive inverse is just changing the sign of the number and adding it to the original number
The answer is A
We have. x=1, then we substitute that on x+z = 20, to solve for z.
1+z=20
z=20-1
z=19
Then we substitute both values x=1 and z=19 on the other equation.
2x +2y+ z = -12
2*1 + 2y + 19= -12
2y= -12 -19-2
2y= -33
y=-33/2