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Mathematics 16 Online
OpenStudy (anonymous):

i need help with 2 problems. i'll post an image. please explain how its done, i don't understand it.

OpenStudy (anonymous):

OpenStudy (anonymous):

because they are similar triangles, you can set a ratio equal to each other. For example \[(x+3)/3=(3x-2)/7\]

OpenStudy (anonymous):

then you can solve for x

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