Question

m+126° = 180°

m+y+y-30° = 180°

m = z

y+z+×+36° = 180°
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Answer 1

$m + 126 = 180$

$m = 180 - 126$

$m = 54$


$m + y + y - 30 = 180$

$m + 2y - 30 = 180$

$54 + 2y - 30 = 180$

$2y + 24 = 180$

$2y = 180 - 24$

$2y = 156$

$y = \frac{156}{2}$

$y = 78$


$m = z$

$z = 54$


$y + z + x + 36 = 180$

$78 + 54 + x + 36 = 180$

$x + 168 = 180$

$x = 180 - 168$

$x = 12$