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otez555 [7]
3 years ago
5

SOMEONE PLS HELP/ What is the value of x?

Mathematics
1 answer:
Serhud [2]3 years ago
3 0
These are similar triangles so you can use a proportion:
\frac{8}{x + 4} =  \frac{12}{2x + 1}

Cross multiply:
8(2x + 1) = 12 (x + 4)
16x + 8 = 12x + 48
       4x  = 40
         x = 10

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