how to slove this equation?
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Answered by
0
Answer:
Given that ;
2x + 45 = 180° - x
2x + x = 180° - 45
3x = 135°
x = 135 / 3
x = 45°
Checking :
Substitute x value ;
2 ( 45 ) + 45 = 180° - 45
90 + 45 = 180 - 45
135
Answered by
7
Answer:
2x + 45= 180 -x
2x+x=180-45
3x. = 135
x = 135/3
x= 45
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