grecon882 grecon882

23-02-2022
Mathematics

contestada

PLS HELPP Help Solve for x
X =

PLS HELPP Help Solve for x X class=

Respuesta :

KurdishPotato KurdishPotato

25-02-2022

Answer:

x = 9

Step-by-step explanation:

The big triangle is similar to smaller one so we can use the side lengths' proportion to find x:

7/4 = (x-3)+8/8

7/4 = (x+5)/8 cross multiply expressions

56 = 4x + 20 subtract 20 from both sides

36 = 4x divide both sides by 4

9 = x

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