Answer:
9.4
Step-by-step explanation:
6x-15 = 4x+12
3*2x = 6x
3*-5 = -15
4*x=4x
4*3=12
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the first dot is -5/4
the second dot is -3/4
the third dot is 0.25
the fourth dot is 1.5
the fifth dot is 6/3
I redrew the triangle (just turned it around it make it easier to understand).