Answer:
2x=1
Step-by-step explanation:
Use x for "a number"
x times 2 = 1
2x=1
which solves for 0.5 or 1/2
Answer:
A two dimensional figure that has only one endpoint is a ray
Step-by-step explanation:
A ray has one endpoint and then goes on for infinite time in the other direction.
Answer : 
Explanation:

shifting 1 to Right hand side becomes -1

shifting 6 on right hand side will divide -1 becomes -1/6

Quadratic equation is the equation having degree 2 and inequality which is not equal to right hand side
Answer: 27 and 18
Step-by-step explanation:
x - y = 9 → x = 9 + y
3y = 2x
3y = 2(9 + y)
3y = 18 + 2y
3y - 2y = 18
y = 18
2x = 3(18)
2x = 54
x = 27
x - y = 9
27 - 18 = 9
9 = 9