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I need some help with geometry?​
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I need some help with geometry?​

I need some help with geometry?​-example-1
User Divino Neto
by
8.4k points

1 Answer

3 votes
39=9x+7-3x+20

Subtract 27 from each side

12=6x
2=x

Now plug in 2 for x to find AB and BC

9x+7= AB
9(2)+7=AB
18+7= AB
25= AB

-3x+20= BC
-3(2)+20= BC
-6+20= BC
14= BC
User Joshua Rodgers
by
8.4k points
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