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asked Jun 12, 2019 159k views

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Help me please? Thanks!

Mathematics
high-school

DzungPV asked

by DzungPV

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1 Answer

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3x - 1 = 2x + 9
Subtract 2x from both sides
x - 1 = 9
Add 1 to both sides
x = 10
Plug in
3(10) -1 =29
So 1 and 3 measure 29°
180-29 = 151
So 2 and 4 measure 151°

Hope this helps :)

Jamy answered Jun 17, 2019

by Jamy

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