What is the value of x? (will give brainliest if you show your work) PLEASE HELP

1 answer:

8 0

Check the picture below.

$\bf \cfrac{8}{12}=\cfrac{x+4}{2x+1}\implies 16x+8=12x+48\implies 4x=40
\\\\\\
x=\cfrac{40}{4}\implies x=10$

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