blackdolly
blackdolly
02-05-2017
Mathematics
contestada
What is the answer if this question
Respuesta :
Аноним
Аноним
02-05-2017
123 degrees
Glad I could help!
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yoloswaggs51
yoloswaggs51
02-05-2017
The measures of a triangle always add up to 180°
So our equation is
180=57+2x+x
We want to get x on the side by itself
So first we should combine like terms.
The equation is now
180=57+3x
After that we will subtract 57 from both sides of the equation.
180-57=123
57+3x then we subtract 57 and we are left with 3x
The equation would now look like 123=3x
To find the value of x we would then divide both sides by 3
3x/3= x
123/3=41
So the value of x is 41
41=x
or
x=41
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