Answer is A.
step 1 , 16 was not multiplied by 9
should be
54x - 9y = 144
Answer:
of what tho
Step-by-step explanation:
Set equal to eachother
(2x+1) = 79
Subtract 1 from both sides
2x=78
Divide 2 from both sides
2x/2=78/2
X= 39
because 1+1+1+1=4 and thats 4 1's 1+1=2 2+2=4
Answer:
100 degrees
Step-by-step explanation:
The angle x is opposite the angle that is 100 degrees.
Since they are opposite each other, they are vertical angles.
This means that they are congruent, or equal to each other.
Therefore,
x=100
x is 100 degrees
