2n=n-5 subtract n from both sides
n=-5
check...
2(-5)=(-5)-5
-10=-10
Answer:
This is a reflection about the x-axis.
Step-by-step explanation:
A reflection about the x-axis has the rule
[x,y]-> [x,-y].
Therefore
M[x,y] = [x,-y}
Let M=
|a b|
|c d|
Then the matrix multiplication gives
ax+by=x.............(1)
cx+dy=-y............(2)
Solving the previous equations (1) and (2) gives
a=1, b=0
c=0, d=-1
giving M as
|1 0|
|0 -1|
Answer:
x = 4, -6
Step-by-step explanation:
x = 4, -6
12. Both sides of the equation are equal and if 18 is half of 36 then 6×2 will give you the value of X
Answer:
false
Step-by-step explanation:
hope it helps
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