onedirectionrul
onedirectionrul
16-01-2018
Mathematics
contestada
Help me please? Thanks!
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marissa2002p03501
marissa2002p03501
19-01-2018
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 :)
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