AdrianN16
AdrianN16
31-03-2017
Mathematics
contestada
find the value of X please help
Respuesta :
VenusRetrograde
VenusRetrograde
31-03-2017
In a triangle, all of the sides total to 180°. So we could write
180=90+(3x+4)+(5x-2)
subtract 90 from both sides
90=3x+4+5x-2
add the similar values
90=8x+2
subtract 2 from both sides
88=8x
divide both sides by 8
11=x
Answer: X=11
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