Answer:
2
Step-by-step explanation:
this is the correct answer
Answer:
vb n bf dgmhumrynwtfvt
Step-by-step explanation:
vb hgetyhrtewr34y4j4htredwed5g
192
i did that test before
The additive inverse: The usage of addition with a negative number.
The original equation is 21 - 11 = 10
To use the additive inverse, change it so that there is an addition sign.
21 + (-11) = 10
B) -11 is your answer
hope this helps
Answer:
x=9
Step-by-step explanation:
Using elimination method.
Add equation 1 to equation 2
x + y = 11
x - y = 7
---------------
2x + 0 = 18
Divide both sides by 2
2x = 18
---- ----
2 2
x = 9
