On a number line,point Y is between points X and Z.If XZ=18,coordinate of Yis 3 and the coordinate of Z is 7,what is the coordinate of X?

A.15
B.8
C.-8
D.-11

Answer:

X to Z = 18 ⟹ red line segment distance 18.

Zero to Z = 7 ⟹ blue line segment distance 7.

So co-ordinate of X is 7-18 = -11

Zero to X = -11 ⟹ green line segment distance 11.

Co-ordinate of X = -11 Answer

Step-by-step explanation:

SEE THE PIC ABOVE (CRDTS)

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On a number line,point Y is between points X and Z.If XZ=18,coordinate of Yis 3 and the coordinate of Z is 7,what is the coordinate of X?, A.15, B.8, C.-8, D.-11