Answer:
x+3y+z=21
Step-by-step explanation:
x+3y+z
4+3(5)+2
4+15+2
21
Answer:
1.8
Step-by-step explanation:
you have to divide 9 from 5 to get 1.8
X=2/3y-4
EXPLANATION
3x-2y=-12
You take -2y to the other side
It becomes 3x=2y-12
Then you divide 3
X=2/3y
-12/3=-4
X=2/3y-4
The answers are c and d
a straight line segment can be drawn between any two points
any straight line segment can be extended indefinitely