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brittnum225
20.10.2020 •
Mathematics
What's the value of x if there is 43° and 36° and it's in a triangle
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Ответ:
Step-by-step explanation:
Sum of all angles of triangle = 180
x + 43 + 36 = 180
x + 79 = 180
x = 180 - 79
x = 101°
Ответ:
x= -1
Step-by-step explanation:
3(4x+2)-4x-2= -4
12x+6-4x-2= -4
12x-4x+6-2= -4
8x+4= -4
8x= -4-4
8x= -8
x= -8÷8
x=-1