yesseniaroman21
19.01.2021 •
Mathematics
When solving the equation, which is the best first step to begin to simplify the equation?
-2(x+3) = -10
O (-2)(-2)(x+3) = -10(-2)
0 (-2)(x+3) --10(-
o Žix+3) - -10
oo (x+3)- 510
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Ответ:
90°
90°
90°
90°
edc=180-90-53=37by sum of angle of triangle
edf=90-37=53
fed=cde=53alternate angle
fea=180-fae-efa=180-37-90=53
efa=180-90=90linear pair
fae=180-<e-edf=180-90-53=37
eab=90-fae=90-37=53
aeb=180-b-bae=180-90-53=37