giannipena420
giannipena420
10-10-2018
Mathematics
contestada
How is this solved? Thank you!
Respuesta :
ksevilla
ksevilla
10-10-2018
z = 76 because of some theorem that states that opposites equal each other
so now, we know that a straight line equals 180 and z = 76
76 + (9x + 86) = 180
162 + 9x = 180
9x = 18
x = 2
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