If ST=3x, TU=7x, and SU=10, what is ST?

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03-10-2017
Mathematics

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If ST=3x, TU=7x, and SU=10, what is ST?

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harpazo harpazo · Answer 1 · 2017-10-03T20:54:07+02:00

harpazo harpazo

03-10-2017

S--------T--------U

ST = T U

SU = 10

ST + TU = SU

3x + 7x = 10

10x = 10

x = 10/10

x = 1

So, what do you think happens next?

ST = 3x

Let x = 1

ST = 3(1)

ST = 3

I hope this helps.

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