how do i do this? very confused

How Do I Do This Very Confused class=

Answer :

Answer:

x=-1

Step-by-step explanation:

since XY is a straight line, XM = MY

so, 5x+8=9x+12

4x=-4

x=-1

Step-by-step explanation:

5x+8=9x+12 ( Both sides are equal)

4x=-4

x=-4/4

x=-1

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