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Please help: solve for x​

Please help: solve for x​-example-1

1 Answer

1 vote

Answer:

x=3

Explanation:

Since the altitude of this triangle is at the midpoint of the base,

It is a isosceles triangle making MJ=MK

9x-18=3x

6x-18=0

6x=18

x=3

answered
User David LeBauer
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